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Table 2

Original and future semimajor axes derived from pure gravitational (GR) nominal solutions (Cols. 2, 3) and non-gravitational (NG) nominal solutions (Cols. 4, 5), where all observations were taken into account and standard g(r) function for NG effects were used.

Name GR solutions NG solutions rmsGR rmsNG Number of Ref.
1/aori 1/afut 1/aori 1/afut res. res.
in    units    of    10-6 AU-1 in    units    of    10-6 AU-1 GR NG
1 2 3 4 5 6 7 8 9 10

C/2001 Q4 NEAT +14.82 ±  0.41 –729.21 ±  0.41 +60.56 ±  0.81 –694.40 ±  0.46 1.25 0.56 5347 5316 present
+12.51 ±  0.43 –731.74 ±  0.43 +60.87 ±  0.48 –696.62 ±  0.48 1.29 0.63 5305 5263 PIw
+05.80 ±  0.44 –738.46 ±  0.44 +59.59 ±  0.70 –696.74 ±  0.64 1.69 0.80 5223 5223 PI
C/2002 T7 LINEAR –11.17 ±  0.18 –650.89 ±  0.18 +25.65 ±  0.34 –713.74 ±  1.20 0.55 0.50 8796 8878 present
–13.84 ±  0.16 –653.57 ±  0.16 +20.72 ±  0.39 –660.08 ±  1.05 0.61 0.58 8596 8768 PIw
–24.42 ±  0.24 –664.14 ±  0.24 +19.73 ±  0.39 –650.86 ±  1.03 1.21 0.64 8643 8643 PI

Notes. The rms’s and number of residuals are given in Cols. 6, 7 and 8, 9, respectively. There are three rows for each comet: the first describes present results with the weighting of the data, and the second and third rows reproduce the results given in Paper I, where PIw and PI (last column) represent models with and without weighting, respectively.

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