"Pseudo-MPEC" for P/2005GF8

Created Wed Apr 20 20:20:10 2005 using Find_Orb

 Astrometry 
 Observing stations 
 Orbital elements 
 Residuals 
 Ephemeris 

Astrometry:
    PK05G08F  C2005 04 02.42548 14 03 47.65 -14 19 53.5          17.8 N      699
    PK05G08F  C2005 04 02.44252 14 03 47.18 -14 19 51.4                      699
    PK05G08F  C2005 04 02.45955 14 03 46.62 -14 19 49.5                      699
    PK05G08F  C2005 04 02.47659 14 03 46.23 -14 19 48.4                      699
    PK05G08F  C2005 04 03.53392 14 03 18.75 -14 17 44.0          18.3 N      E12
    PK05G08F  C2005 04 03.54258 14 03 18.48 -14 17 43.3          18.0 N      E12
    PK05G08F  C2005 04 03.55124 14 03 18.26 -14 17 42.1          19.1 N      E12
    PK05G08F  C2005 04 03.55987 14 03 18.04 -14 17 40.9          17.9 N      E12
    PK05G08F  C2005 04 07.33053 14 01 31.71 -14 09 53.1          18.1 N      704
    PK05G08F  C2005 04 07.36484 14 01 30.66 -14 09 49.8          18.7 N      704
    PK05G08F  C2005 04 07.37623 14 01 30.29 -14 09 47.1          19.1 N      704
    PK05G08F  C2005 04 11.26310 13 59 30.87 -14 00 31.4          18.0 N      691
    PK05G08F  C2005 04 11.28041 13 59 30.31 -14 00 29.0          18.1 N      691
    PK05G08F  C2005 04 11.30212 13 59 29.59 -14 00 25.9          18.1 N      691
    PK05G08F  C2005 04 11.96187 13 59 08.45 -13 58 47.3                      J95
    PK05G08F  C2005 04 12.08054 13 59 04.71 -13 58 24.2          17.9 N      I77
    PK05G08F  C2005 04 12.08497 13 59 04.37 -13 58 28.1          18.0 T      J95
    PK05G08F  C2005 04 12.08748 13 59 04.46 -13 58 23.0          17.8 N      I77
    PK05G08F  C2005 04 12.09491 13 59 04.21 -13 58 21.8          17.9 N      I77
    PK05G08F  C2005 04 12.31251 13 58 57.24 -13 57 52.3          18.0 N      673
    PK05G08F  C2005 04 12.31823 13 58 56.98 -13 57 51.2          18.9 N      691
    PK05G08F  C2005 04 12.31979 13 58 56.96 -13 57 51.2                      673
    PK05G08F  C2005 04 12.32633 13 58 56.78 -13 57 50.3          18.6 Nx     704
    PK05G08F  C2005 04 12.32674 13 58 56.76 -13 57 49.9                      673
    PK05G08F  C2005 04 12.33368 13 58 56.49 -13 57 48.8                      673
    PK05G08F  C2005 04 12.33560 13 58 56.37 -13 57 48.2          18.0 N      691
    PK05G08F  C2005 04 12.33759 13 58 56.33 -13 57 47.6          19.3 N      704
    PK05G08F  C2005 04 12.34063 13 58 56.26 -13 57 47.9                      673
    PK05G08F  C2005 04 12.34757 13 58 56.02 -13 57 46.7                      673
    PK05G08F  C2005 04 12.34854 13 58 55.96 -13 57 46.0          19.2 N      704
    PK05G08F  C2005 04 12.35303 13 58 55.80 -13 57 45.6          18.2 N      691
    PK05G08F  C2005 04 12.35859 13 58 55.60 -13 57 44.7          19.1 N      704
    PK05G08F  C2005 04 12.36974 13 58 55.22 -13 57 42.4          19.2 N      704
    PK05G08F  C2005 04 13.04826 13 58 33.38 -13 55 53.0          17.7 N      I77
    PK05G08F  C2005 04 13.05624 13 58 33.11 -13 55 51.6          17.8 N      I77
    PK05G08F  C2005 04 13.06313 13 58 32.87 -13 55 50.7          17.8 N      I77
    PK05G08F  C2005 04 13.18677 13 58 28.92 -13 55 34.6          17.5 T      G90
    PK05G08F  C2005 04 13.19144 13 58 28.76 -13 55 33.9          17.7 T      G90
    PK05G08F  C2005 04 13.19621 13 58 28.59 -13 55 33.2          17.7 T      G90
    PK05G08F  C2005 04 13.21262 13 58 28.05 -13 55 30.0          18.4 N      854
    PK05G08F  C2005 04 13.21742 13 58 27.82 -13 55 30.2          18.7 N      854
    PK05G08F  C2005 04 13.22604 13 58 27.60 -13 55 28.5          17.8 N      854
    PK05G08F  C2005 04 13.27543 13 58 25.65 -13 55 17.5          17.2 N      I10
    PK05G08F  C2005 04 13.29594 13 58 25.16 -13 55 17.0          17.3 T      699
    PK05G08F  C2005 04 13.29809 13 58 24.84 -13 55 13.3          17.1 N      I10
    PK05G08F  C2005 04 13.31626 13 58 24.45 -13 55 14.3                      699
    PK05G08F  C2005 04 13.32077 13 58 24.11 -13 55 10.2          17.6 N      I10
    PK05G08F  C2005 04 13.33657 13 58 23.77 -13 55 11.9                      699
    PK05G08F  C2005 04 13.41111 13 58 21.27 -13 54 59.9          18.0 T      673
    PK05G08F  C2005 04 13.41354 13 58 21.19 -13 54 59.7                      673
    PK05G08F  C2005 04 13.42431 13 58 20.82 -13 54 57.6                      673
    PK05G08F  C2005 04 13.42778 13 58 20.69 -13 54 57.1                      673
    PK05G08F  C2005 04 13.43159 13 58 20.56 -13 54 56.5                      673
    PK05G08F  C2005 04 13.43507 13 58 20.43 -13 54 56.2                      673
    PK05G08F  C2005 04 13.54714 13 58 16.95 -13 54 33.9          17.6 T      428
    PK05G08F  C2005 04 13.54897 13 58 16.86 -13 54 33.5          17.7 T      428
    PK05G08F  C2005 04 13.55255 13 58 16.72 -13 54 33.2          17.5 T      428
    PK05G08F  C2005 04 13.56036 13 58 16.49 -13 54 31.7          17.7 T      428
    PK05G08F  C2005 04 14.24810 13 57 53.71 -13 52 41.3                      I10
    PK05G08F  C2005 04 14.27112 13 57 52.80 -13 52 37.1                x     I10
    PK05G08F  C2005 04 14.29384 13 57 52.06 -13 52 33.2                x     I10
    PK05G08F   2005 04 14.58472 13 57 42.69 -13 51 51.5          17.9 T      372
    PK05G08F  C2005 04 14.62064 13 57 41.44 -13 51 46.1          17.5 T      360
    PK05G08F  C2005 04 14.62638 13 57 41.27 -13 51 45.2                      360
    PK05G08F   2005 04 14.62813 13 57 41.26 -13 51 44.7                      372
    PK05G08F  C2005 04 14.63148 13 57 41.09 -13 51 44.3                      360
    PK05G08F  C2005 04 14.63963 13 57 40.83 -13 51 43.0          16.9 T      D74
    PK05G08F  C2005 04 14.64693 13 57 40.57 -13 51 41.9          16.9 T      D74
    PK05G08F  C2005 04 14.65421 13 57 40.31 -13 51 40.8          16.8 T      D74
    PK05G08F  C2005 04 14.66829 13 57 39.75 -13 51 38.7                      349
    PK05G08F  C2005 04 14.67703 13 57 39.47 -13 51 37.4                      349
    PK05G08F  C2005 04 14.68578 13 57 39.17 -13 51 35.8          17.8 T      349
    PK05G08F  C2005 04 15.31347 13 57 18.19 -13 49 52.3          17.8 N      850
    PK05G08F  C2005 04 15.32147 13 57 17.80 -13 49 49.8          16.8 Nx     850
    PK05G08F  C2005 04 15.33130 13 57 17.51 -13 49 49.5          18.0 N      850
    PK05G08F  C2005 04 15.93462 13 56 57.55 -13 48 10.2                      246
    PK05G08F  C2005 04 15.93523 13 56 57.51 -13 48 10.2                      246
    PK05G08F  C2005 04 15.93588 13 56 57.45 -13 48 10.3                      246
    PK05G08F  C2005 04 15.93682 13 56 57.44 -13 48 10.3                      246
    PK05G08F  C2005 04 15.93800 13 56 57.41 -13 48 09.9                      246
    PK05G08F  C2005 04 15.93860 13 56 57.39 -13 48 09.6                      246
    PK05G08F  C2005 04 16.03905 13 56 53.88 -13 47 52.9          16.8 N      213
    PK05G08F  C2005 04 16.04088 13 56 53.81 -13 47 52.5          16.8 N      213
    PK05G08F  C2005 04 16.93530 13 56 23.76 -13 45 22.6          17.3 N      213
    PK05G08F  C2005 04 16.93714 13 56 23.66 -13 45 22.4          17.3 N      213
    PK05G08F  C2005 04 16.93892 13 56 23.56 -13 45 22.7          17.3 N      213
    PK05G08F  C2005 04 18.25856 13 55 38.37 -13 41 36.0          17.3 Nx     850
    PK05G08F  C2005 04 18.27677 13 55 37.79 -13 41 34.0          17.8 N      850
    PK05G08F  C2005 04 18.29006 13 55 37.37 -13 41 31.0          16.8 T      703
    PK05G08F  C2005 04 18.29498 13 55 37.10 -13 41 30.2          17.7 N      850
    PK05G08F  C2005 04 18.29594 13 55 37.17 -13 41 30.0          16.6 T      703
    PK05G08F  C2005 04 18.30183 13 55 36.86 -13 41 27.6          17.1 Tx     703
    PK05G08F  C2005 04 18.30770 13 55 36.74 -13 41 27.1          16.6 Tx     703
    PK05G08F  C2005 04 18.31316 13 55 36.46 -13 41 27.0          17.7 N      850
    PK05G08F  C2005 04 18.32031 13 55 36.38 -13 41 26.0          17.9 T      704
    PK05G08F  C2005 04 18.32946 13 55 36.05 -13 41 23.5          18.5 T      704
    PK05G08F  C2005 04 18.33862 13 55 35.76 -13 41 22.4          18.4 T      704
    PK05G08F  C2005 04 18.34784 13 55 35.37 -13 41 21.2          18.2 T      704
    PK05G08F  C2005 04 18.35702 13 55 35.06 -13 41 19.3          18.5 T      704
    PK05G08F  C2005 04 18.37502 13 55 34.71 -13 41 14.6          18.3 T      608
    PK05G08F  C2005 04 18.38601 13 55 34.34 -13 41 13.0          18.4 Tx     608
    PK05G08F  C2005 04 18.39706 13 55 33.91 -13 41 10.8          18.2 T      608

Station data:
(213) Observatorio Montcabre (N41.5186 E2.3850).   Observer R. Naves.
    Measurer M. Campas.  0.30-m f/5.5 Schmidt-Cassegrain + CCD.
(246) Klet Observatory-KLENOT (N48.8633 E14.2881).
(349) Ageo  (N35.9604 E139.5492).   Observer K. Kadota.  0.25-m f/5.0
    reflector + CCD.
(360) Kuma Kogen  (N33.6743 E132.9442).   Observer A. Nakamura.  0.60-m f/5.8
    Ritchey-Chretien + CCD.
(372) Geisei  (N33.5266 E133.8276).
(428) Reedy Creek  (S28.1103 E153.3970).   Observer J. Broughton.  0.25-m
    f/7.2 Schmidt-Cassegrain + CCD.
(608) Haleakala-AMOS (N20.7084 W156.2580).
(673) Table Mountain Observatory, Wrightwood (N34.3818 W117.6809).   Observer
    W. M. Owen Jr.  0.61-m f/16 reflector + CCD.
(691) Steward Observatory, Kitt Peak-Spacewatch (N31.9580 W111.5990).
(699) Lowell Observatory-LONEOS (N35.0960 W111.5367).   Observer M. E. Van
    Ness.  0.59-m LONEOS Schmidt + CCD.
(703) Catalina Sky Survey (N32.4168 W110.7320).   Observers S. Larson, E.
    Beshore, E. Christensen, R. Hill, S. Howard, D. McLean.  Measurer E.
    Christensen.  0.68 m Schmidt + CCD.
(704) Lincoln Laboratory ETS, New Mexico (N33.8184 W106.6591).   Observers M.
    Blythe, F. Shelly, M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres,
    T. Brothers, S. Partridge.  Measurers J. Stuart, R. Sayer, J. Evans, P.
    Hopman.  1.0-m f/2.15 reflector + CCD.
(850) Cordell-Lorenz Observatory, Sewanee  (N35.2041 W85.9198).
(854) Sabino Canyon Observatory, Tucson  (N32.2999 W110.8201).
(D74) Nakagawa  (N33.9489 E134.6819).
(E12) Siding Spring Survey (S31.2735 E149.0642).   Observers R. H. McNaught,
    S. Larson, et.al.  Measurer R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
(G90) Three Buttes Observatory, Tucson  (N32.6423 W111.0342).
(I10) CAOS-CampoCatino Austral Observatory Survey (S22.9531 W68.1799).
(I77) CEAMIG-REA Observatory, Belo Horizonte (S19.8303 W43.9975).
(J95) Great Shefford  (N51.4749 W1.4469).   Observer P. Birtwhistle.  0.30-m
    f/6.3 Schmidt-Cassegrain + CCD.

Orbital elements:
P/2005GF8
   Perihelion 2005 Aug 13.994869 TT
Epoch 2005 Mar 31.0 TT = JDT 2453460.5
M 350.46963              (2000.0)            P               Q
n   0.07007882     Peri.  284.61024     -0.50375873      0.86372090     
a   5.8265503      Node   315.13106     -0.78437964     -0.46443627     
e   0.5153196      Incl.    1.18628     -0.36190566     -0.19566588     
P  14.06           H   11.7                         q 2.8240147
From 94 observations 2005 Apr. 2-18;   RMS error 0.686 arcseconds

Residuals in arcseconds:
050402 699  .49+  .13+    050413 I77  .17-  .38+    050414 D74  .54+  .48-    
050402 699  .40+  .32+    050413 I77  .24-  .22+    050414 349  .18-  .59-    
050402 699  1.0-  .30+    050413 G90  .19+  .31+    050414 349  .17+  .72-    
050402 699  .01+  .54-    050413 G90  .16+  .29+    050414 349  .24+  .56-    
050403 E12  .03-  .01-    050413 G90  .03+  .26+    050415 850  .09-  .25+    
050403 E12  .42-  .28-    050413 854  .25+  .92+    050415 850( 1.7-  1.4+)   
050403 E12  .09-  .05-    050413 854  .72-  .02-    050415 850  .93-  .08+    
050403 E12  .25+  .17+    050413 854  .34+  .35+    050415 246  .00   .27+    
050407 704  .62+  .51+    050413 I10  .61-  .24-    050415 246  .72+  .17+    
050407 704  .88+  .81-    050413 699  .39-  1.1+    050415 246  .18+  .03-    
050407 704  .65+  .34+    050413 I10  1.1-  .31+    050415 246  .51+  .19-    
050411 691  .70-  .58+    050413 699  .58-  .63+    050415 246  .68+  .02+    
050411 691  .45-  .41+    050413 I10  .41-  .26-    050415 246  .69+  .22+    
050411 691  .38-  .27+    050413 699  .32-  .18-    050416 213  .18+  .09-    
050411 J95  1.0-  .71-    050413 673  .16+  .09-    050416 213  .10+  .00     
050412 I77  .42-  .35-    050413 673  .21+  .28-    050416 213  .87+  .19-    
050412 J95  .61-  .40-    050413 673  .19+  .09+    050416 213  .35+  .29-    
050412 I77  .63-  .20-    050413 673  .03+  .03+    050416 213  .19-  .89-    
050412 I77  .60-  .13-    050413 673  .03+  .01+    050418 850( 1.7-  .50+)   
050412 673  .65+  .41-    050413 673  .13-  .25-    050418 850  .64-  .64-    
050412 691  .06+  .30-    050413 428  .32-  .06-    050418 703  1.4-  .07-    
050412 673  .16+  .43-    050413 428  .71-  .05+    050418 850  1.2-  .01-    
050412 704( 1.5+  .55-)   050413 428  .95-  .21-    050418 703  1.3-  .08-    
050412 673  .68+  .19-    050413 428  .37-  .05+    050418 703( 2.7-  1.3+)   
050412 673  .17+  .16-    050414 I10  .16+  .72+    050418 703( 1.4-  .80+)   
050412 691  .23-  .02+    050414 I10( 1.4-  1.2+)   050418 850  1.1-  .03+    
050412 704  .49+  .40+    050414 I10( .71-  1.3+)   050418 704  .22+  .20-    
050412 673  .26+  .33-    050414 372  .10-  .02+    050418 704  .19+  .71+    
050412 673  .19+  .21-    050414 360  .16-  .35-    050418 704  .74+  .23+    
050412 704  .51+  .30+    050414 360  .28+  .38-    050418 704  .13-  .18-    
050412 691  .09+  .09-    050414 372  1.1+  .17-    050418 704  .14+  .13+    
050412 704  .23+  .03+    050414 360  .25+  .30-    050418 608  1.1+  .92+    
050412 704  .20+  .59+    050414 D74  .71+  .31-    050418 608( 1.4+  .65+)   
050413 I77  .21-  .21+    050414 D74  .63+  .40-    050418 608  .96+  .97+    

Ephemerides (For E, N):
Date (UT)     RA              Dec         delta   r     elong mag
-- --- ----  ------------   ------------  ------ ------ ----- ---
 1 Jan 2005  13 29 52.184   -10 23 22.02  3.3468 3.2516  76.0 19.5
 2 Jan 2005  13 30 52.345   -10 29 36.06  3.3298 3.2482  76.7 19.5
 3 Jan 2005  13 31 52.029   -10 35 46.71  3.3127 3.2449  77.5 19.4
 4 Jan 2005  13 32 51.223   -10 41 53.91  3.2957 3.2415  78.2 19.4
 5 Jan 2005  13 33 49.915   -10 47 57.61  3.2786 3.2382  79.0 19.4
 6 Jan 2005  13 34 48.093   -10 53 57.74  3.2615 3.2348  79.8 19.4
 7 Jan 2005  13 35 45.743   -10 59 54.25  3.2444 3.2315  80.5 19.4
 8 Jan 2005  13 36 42.852   -11 05 47.07  3.2273 3.2282  81.3 19.4
 9 Jan 2005  13 37 39.407   -11 11 36.14  3.2101 3.2248  82.1 19.3
10 Jan 2005  13 38 35.395   -11 17 21.41  3.1930 3.2215  82.8 19.3