"Pseudo-MPEC" for C/1998 F1

Created Tue Jul 9 16:03:01 2013 using Find_Orb

• Astrometry
• Observing stations
• Orbital elements
• Residuals
• Ephemeris
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Astrometry:
    CJ98F010  S1998 03 21.86097 00 15 20.3  -01 02 31                   33821249
    CJ98F010  s1998 03 21.86097 2 +0.00859478 +0.00330455 +0.0018144    33821249
    CJ98F010  S1998 03 21.88200 00 15 02.1  -00 58 51                   33821249
    CJ98F010  s1998 03 21.88200 2 +0.00859416 +0.00330944 +0.0018159    33821249
    CJ98F010  S1998 03 21.90176 00 14 42.2  -00 56 37                   33821249
    CJ98F010  s1998 03 21.90176 2 +0.00859358 +0.00331403 +0.0018173    33821249
    CJ98F010  S1998 03 21.94484 00 13 58.0  -00 51 43                   33821249
    CJ98F010  s1998 03 21.94484 2 +0.00859231 +0.00332403 +0.0018204    33821249
    CJ98F010  S1998 03 22.04890 00 12 06.8  -00 38 49                   33821249
    CJ98F010  s1998 03 22.04890 2 +0.00858919 +0.00334818 +0.0018280    33821249
    CJ98F010  S1998 03 22.10320 00 11 04.1  -00 29 51                   33821249
    CJ98F010  s1998 03 22.10320 2 +0.00858755 +0.00336077 +0.0018319    33821249
    CJ98F010  S1998 03 22.11576 00 10 47.2  -00 28 14                   33821249
    CJ98F010  s1998 03 22.11576 2 +0.00858717 +0.00336368 +0.0018328    33821249
    CJ98F010  S1998 03 22.12892 00 10 32.5  -00 26 22                   33821249
    CJ98F010  s1998 03 22.12892 2 +0.00858677 +0.00336673 +0.0018337    33821249
    CJ98F010  S1998 03 22.14455 00 10 15.0  -00 23 49                   33821249
    CJ98F010  s1998 03 22.14455 2 +0.00858629 +0.00337035 +0.0018349    33821249
    CJ98F010  S1998 03 22.15660 00 09 59.9  -00 23 08                   33822249
    CJ98F010  s1998 03 22.15660 2 +0.00858592 +0.00337314 +0.0018357    33822249
    CJ98F010  S1998 03 22.18717 00 09 19.4  -00 18 02                   33822249
    CJ98F010  s1998 03 22.18717 2 +0.00858498 +0.00338021 +0.0018379    33822249
    CJ98F010  S1998 03 22.19972 00 09 00.7  -00 15 08                   33822249
    CJ98F010  s1998 03 22.19972 2 +0.00858460 +0.00338312 +0.0018388    33822249
    CJ98F010  S1998 03 22.21296 00 08 42.5  -00 13 40                   33822249
    CJ98F010  s1998 03 22.21296 2 +0.00858419 +0.00338618 +0.0018398    33822249

Station data:
(249) SOHO.

Orbital elements:  C/1998 F1
   Perihelion 1998 Mar 22.435386 +/- 0.0298 TT;  Constraint: e=1
Epoch 1998 Mar 22.0 TT = JDT 2450894.5   Earth MOID: 0.4846   Find_Orb
q   0.00956943 +/- 0.00342
                                    Peri.   60.08432 +/- 4.9
                                    Node   339.87508 +/- 3.2
e   1.0 +/- 0                       Incl.  138.59894 +/- 0.54
From 13 observations 1998 Mar. 21-22 (8.4 hr); mean residual 23".849.

Residuals in arcseconds:
980321 249 17.9- 43.3-    980322 249 2.90+ 37.5+    980322 249 12.8+ 27.7-    
980321 249 14.3+ 27.8+    980322 249 24.4- 24.2+    980322 249 16.3- 22.0+    
980321 249 6.96+ 19.8+    980322 249 4.23- 18.8+    980322 249 19.1- 24.1-    
980321 249 5.59- 2.81-    980322 249 24.0+ 29.7+    
980322 249 .246+ 41.9-    980322 249 25.6+ 41.1-