Nongravitational nominal solution
Observational arc: 1997 01 11 - 2004 09 15 Number of observations: 529 RMS: 0.67 arcsec (1054 residuals used, 0.4% rejected residuals )
Heliocentric osculating orbit
Epoch Perihelion time q e ω Ω i
1999 12 08 19991127.566151 3.43630558 0.99882316 285.935698 317.663829 72.714861
± 0.000334 0.00000451 0.00000508 0.000033 0.000010 0.000022
NG parameters:
A1 = (3340.8 ± 117.7 )×10-8 AU/day2
A2 = ( 24.282 ± 54.541)×10-8 AU/day2
A3 = ( -29.81 ± 11.72 )×10-8 AU/day2
Barycentric nominal original orbit (at 250 AU from the Sun)
Epoch Perihelion time q e ω Ω i
1697 02 13 19991128.142457 3.44037125 0.99989050 285.890502 318.382446 72.634463
± 0.000383 0.00000573 0.00000397 0.000150 0.000014 0.000027
1/aori = (+31.83 ± 1.15)×10-6 AU-1
Barycentric nominal future orbit (at 250 AU from the Sun)
Epoch Perihelion time q e ω Ω i
2307 02 17 19991128.384619 3.43278727 0.99861836 285.870734 318.286367 72.679266
± 0.000418 0.00000591 0.00000589 0.000186 0.000012 0.000028
1/afut = (+402.48 ± 1.72)×10-6 AU-1
In the 17th edition of the Catalogue of Cometary orbits (2008):
Gravitational orbit (418 obs.) with 1/aori = 0.000000 AU-1.
The same comet in some other internet sources:
More details
Starting swarms of VCs...(heliocentric, osculating orbits)
Gravitational osculating swarm.
Nongravitational osculating swarm.
Original and future orbit at the 250 AU from the Sun.
Comet number 18 in the Table: Nongravitational Oort spike comets (26 objects)
| Name | GR (1/a)ori [10-8 AU/day2] | GR (1/a)osc [10-8 AU/day2] epoch [TT] | GR 1/afut [10-8 AU/day2] | RMSGR [arcsec] | NG (1/a)ori [10-8 AU/day2] | NG (1/a)osc [10-8 AU/day2] epoch [TT] | NG 1/afut [10-8 AU/day2] | RMSNG [arcsec] | NG parameters A1 A2 A3 [10-8 AU/day2] tau shift [day] | |
| 18 | C/1997 BA6 Spacewatch weighting | +1.49 ± 0.35 | +305.38 ± 0.35 1999 12 08 | +371.77 ± 0.35 | 0.74 | +31.83 ± 1.15 | +342.47 ± 1.48 1999 12 08 | +402.48 ± 1.72 | 0.67 | 3340.8 ± 117.7 24.3 ± 54.1 -29.8 ± 11.7 |
Note: in the following plots black denotes returning clones while red denotes escaping ones.The nominal solution is located at the center of the green circle. Each plot have a header where date of calculation and some other parameters are coded. Also numbers of returning (B=shown+omitted), escaping (C=shown+omitted) and all (T=shown+omitted) Vcs are shown.
Past orbits, at previous perihelion for the returning VCs :
Past, gravitational, all VCs at the escape border.
Past, nongravitational, asynchronous.
Past, nongravitational, synchronous.
Future orbits, at next perihelion :
Future, gravitational, asynchronous.
Future, gravitational, synchronous.
Future, nongravitational,asynchronous.
Future, nongravitational, synchronous.
