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 (460)
Date Type RA Dec Mag Band Observatory
2025-10-16 19:00:42 C 19 47 45.331 -21 36 47.92 V M22
2025-10-23 11:04:41 C 19 51 32.254 -21 17 50.64 q Q14
2025-10-23 11:13:54 C 19 51 32.453 -21 17 51.50 q Q14
2025-11-15 01:32:58 C 20 08 01.352 -20 03 24.91 V G96
2025-11-15 01:40:29 C 20 08 01.633 -20 03 24.16 V G96
2025-11-15 01:48:00 C 20 08 01.885 -20 03 22.90 V G96
2025-11-15 01:55:32 C 20 08 02.191 -20 03 22.72 V G96
2026-05-23 01:37:50 C 23 03 20.861 -02 21 49.43 W 215
2026-05-23 01:39:42 C 23 03 20.894 -02 21 49.03 W 215
2026-05-23 01:41:34 C 23 03 20.954 -02 21 49.21 W 215