491P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2020-12-17 (JD 2459200.5)
Eccentricity (e)0.2597378214 ± 4.25e-07
Semi-major axis (a)5.0117110696 AU ± 1.91e-07
Inclination (i)9.37134038° ± 2.62e-05
Long. of Asc. Node (Ω)311.73346578° ± 7.28e-05
Arg. of Perihelion (ω)299.08789885° ± 1.26e-04
Mean Anomaly (M)240.58236577° ± 5.87e-05
Mean Motion (n)0.0878466158°/day ± 5.01e-09
Perihelion dist (q)3.70998016 AU ± 2.13e-06
Aphelion dist (Q)6.31344198 AU ± 2.14e-06
Orbital Period11.21985490 yr ± 6.40e-07
Orbit Solution
SourceJPL
Solution Date2026-05-28 12:12:26
RMS Residual0.544″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID2.708060 AU
Observations Used458
Oppositions
Arc Total2013-2026
First Observation Used
Last Observation Used2026-05-23
Observations (504)
Date Type RA Dec Mag Band Observatory
2026-07-26 03:45:21 C 23 11 09.408 +00 32 57.84 V R17
2026-07-28 11:20:05 C 23 10 28.418 +00 33 17.21 X F51
2026-07-28 12:30:28 C 23 10 27.458 +00 33 17.05 X F51
2026-07-28 13:30:28 C 23 10 26.657 +00 33 17.28 X F51