254P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2020-08-07 (JD 2459068.5)
Eccentricity (e)0.3202686310 ± 9.63e-08
Semi-major axis (a)4.6149838889 AU ± 1.27e-07
Inclination (i)32.57138738° ± 5.28e-06
Long. of Asc. Node (Ω)129.17332166° ± 1.39e-05
Arg. of Perihelion (ω)219.46937205° ± 3.26e-05
Mean Anomaly (M)354.67101403° ± 1.52e-05
Mean Motion (n)0.0994161618°/day ± 4.11e-09
Perihelion dist (q)3.13694932 AU ± 4.53e-07
Aphelion dist (Q)6.09301846 AU ± 4.75e-07
Orbital Period9.91414540 yr ± 4.10e-07
NGA Modelg(r)
A22.14103961e-08 ± 6.40e-10 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.503″
Uncertainty0
Orbit TypeHilda
MOID2.186948 AU
Observations Used805
Oppositions40
Arc Total1980-2025
First Observation Used1980-10-05
Last Observation Used2025-03-31
Observations (839)
Date Type RA Dec Mag Band Observatory
2021-09-17 14:55:31 C 05 07 55.56 -11 44 08.4 V T05
2021-09-17 15:00:13 C 05 07 55.65 -11 44 09.5 V T05
2021-09-17 15:06:14 C 05 07 55.74 -11 44 10.9 V T05
2021-09-19 17:11:35 C 05 08 41.06 -11 56 26.2 m 349
2021-09-19 17:37:32 C 05 08 41.43 -11 56 32.8 m 349
2021-09-21 12:33:08 C 05 09 16.57 -12 07 07.6 V T05
2021-09-21 12:41:06 C 05 09 16.67 -12 07 09.2 V T05
2021-09-21 12:56:18 C 05 09 16.85 -12 07 13.5 V T05
2021-09-22 12:31:44 C 05 09 34.61 -12 13 03.8 V T08
2021-09-22 12:37:43 C 05 09 34.65 -12 13 05.5 V T08
2021-09-22 12:53:01 C 05 09 34.89 -12 13 08.8 V T08
2021-09-22 13:04:08 C 05 09 35.03 -12 13 12.2 V T08
2021-09-24 12:32:16 C 05 10 07.65 -12 25 02.2 V T05
2021-09-24 12:45:33 C 05 10 07.80 -12 25 04.9 V T05
2021-09-24 12:51:31 C 05 10 07.85 -12 25 06.6 V T05
2021-09-27 13:39:42 C 05 10 49.46 -12 43 20.7 V T08
2021-09-27 13:44:20 C 05 10 49.50 -12 43 21.8 V T08
2021-09-27 13:47:00 C 05 10 49.46 -12 43 22.8 V T08
2021-09-27 13:56:57 C 05 10 49.54 -12 43 25.4 V T08
2021-09-27 13:58:16 C 05 10 49.57 -12 43 25.0 V T08
2021-09-27 14:18:51 C 05 10 49.69 -12 43 30.4 V T08
2021-09-27 14:28:09 C 05 10 49.81 -12 43 32.7 V T08
2021-09-27 15:22:05 C 05 10 50.27 -12 43 45.9 V T08
2021-09-29 13:10:35 C 05 11 11.09 -12 55 16.0 V T05
2021-09-29 13:13:13 C 05 11 11.08 -12 55 16.7 V T05
2021-09-29 13:17:51 C 05 11 11.13 -12 55 17.8 V T05
2021-09-29 13:25:07 C 05 11 11.15 -12 55 19.7 V T05
2021-10-02 12:14:13 C 05 11 35.11 -13 13 04.3 V T05
2021-10-02 12:25:32 C 05 11 35.17 -13 13 07.3 V T05
2021-10-02 12:35:30 C 05 11 35.21 -13 13 10.1 V T05
2021-10-02 13:02:25 C 05 11 35.31 -13 13 16.4 V T05
2021-10-02 14:14:18 C 05 11 35.609 -13 13 34.37 U F52
2021-10-02 14:28:59 C 05 11 35.668 -13 13 38.31 U F52
2021-10-02 14:43:38 C 05 11 35.717 -13 13 41.75 U F52
2021-10-02 14:58:19 C 05 11 35.773 -13 13 45.63 U F52
2021-10-03 13:34:14 C 05 11 41.19 -13 19 24.1 V T05
2021-10-03 13:36:52 C 05 11 41.20 -13 19 24.8 V T05
2021-10-03 13:41:28 C 05 11 41.21 -13 19 25.8 V T05
2021-10-03 13:51:09 C 05 11 41.25 -13 19 28.4 V T05
2021-10-04 13:15:53 C 05 11 45.72 -13 25 17.9 V T08
2021-10-04 13:19:52 C 05 11 45.75 -13 25 19.3 V T08
2021-10-04 13:30:21 C 05 11 45.79 -13 25 21.5 V T08
2021-10-04 13:45:39 C 05 11 45.81 -13 25 25.9 V T08
2021-10-06 13:44:22 C 05 11 51.56 -13 37 18.2 V T05
2021-10-06 13:47:40 C 05 11 51.55 -13 37 19.0 V T05
2021-10-06 13:59:31 C 05 11 51.57 -13 37 22.0 V T05
2021-10-07 12:48:52 C 05 11 52.70 -13 42 58.7 V T05
2021-10-07 12:51:30 C 05 11 52.70 -13 42 59.4 V T05
2021-10-07 13:00:48 C 05 11 52.71 -13 43 01.8 V T05
2021-10-07 13:08:03 C 05 11 52.68 -13 43 03.4 V T05