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
2021-12-06 07:09:55 C 04 44 15.85 -16 09 13.1 V G96
2021-12-06 07:18:00 C 04 44 15.62 -16 09 12.2 V G96
2021-12-06 07:26:04 C 04 44 15.36 -16 09 11.1 V G96
2021-12-09 03:42:21 C 04 42 15.72 -15 59 44.3 V W94
2021-12-09 03:50:36 C 04 42 15.51 -15 59 42.9 V W94
2021-12-09 03:58:58 C 04 42 15.27 -15 59 41.9 V W94
2021-12-09 20:49:08 C 04 41 46.19 -15 57 09.2 X C95
2021-12-09 20:59:46 C 04 41 45.73 -15 57 07.5 X C95
2021-12-09 21:05:04 C 04 41 45.66 -15 57 07.3 X C95
2021-12-11 10:28:10 C 04 40 41.27 -15 50 59.2 V T08
2021-12-11 10:33:30 C 04 40 41.11 -15 50 58.3 V T08
2021-12-11 11:08:05 C 04 40 40.10 -15 50 52.4 V T08
2021-12-11 11:20:05 C 04 40 39.72 -15 50 50.2 V T08
2021-12-12 02:51:38 C 04 40 13.40 -15 48 06.1 q I47
2021-12-12 03:00:24 C 04 40 13.13 -15 48 04.8 q I47
2021-12-12 03:09:10 C 04 40 12.89 -15 48 03.3 q I47
2021-12-12 08:52:10 C 04 40 03.25 -15 47 04.7 V T08
2021-12-12 08:54:49 C 04 40 03.21 -15 47 04.0 V T08
2021-12-12 08:59:28 C 04 40 03.03 -15 47 04.3 V T08
2021-12-12 09:08:06 C 04 40 02.78 -15 47 02.4 V T08
2021-12-18 13:54:47 C 04 35 59.46 -15 16 42.4 m 349
2021-12-18 14:11:11 C 04 35 59.04 -15 16 39.0 m 349
2021-12-18 19:45:46 C 04 35 50.48 -15 15 22.0 v A77
2021-12-18 19:50:26 C 04 35 50.37 -15 15 21.8 v A77
2021-12-18 19:55:05 C 04 35 50.30 -15 15 18.6 v A77
2021-12-22 14:27:54 C 04 33 32.92 -14 53 07.3 V 900
2021-12-22 14:37:59 C 04 33 32.75 -14 53 05.6 V 900
2021-12-23 11:46:20 C 04 33 02.22 -14 47 30.2 q E94
2021-12-23 12:03:25 C 04 33 01.70 -14 47 25.8 q E94
2021-12-23 12:20:30 C 04 33 01.29 -14 47 21.9 q E94
2021-12-23 12:36:58 C 04 33 00.95 -14 47 16.5 q E94
2022-01-01 18:42:09 C 04 28 15.11 -13 41 32.1 v A77
2022-01-01 18:49:10 C 04 28 15.05 -13 41 29.9 v A77
2022-01-01 18:57:20 C 04 28 14.66 -13 41 27.6 v A77
2022-01-02 12:31:59 C 04 27 55.23 -13 35 43.6 S D88
2022-01-02 12:36:47 C 04 27 55.03 -13 35 40.6 S D88
2022-01-05 08:10:16 C 04 26 44.61 -13 12 56.4 V T08
2022-01-05 08:14:54 C 04 26 44.51 -13 12 54.6 V T08
2022-01-05 08:22:55 C 04 26 44.36 -13 12 51.7 V T08
2022-01-05 08:37:41 C 04 26 44.19 -13 12 46.7 V T08
2022-01-06 05:48:07 C 04 26 23.64 -13 05 27.6 V 703
2022-01-06 05:55:48 C 04 26 23.50 -13 05 24.2 V 703
2022-01-06 06:03:29 C 04 26 23.40 -13 05 21.9 V 703
2022-01-06 06:11:11 C 04 26 23.23 -13 05 18.9 V 703
2022-01-07 06:19:08 C 04 26 00.941 -12 56 51.73 U F52
2022-01-07 06:34:43 C 04 26 00.689 -12 56 46.22 U F52
2022-01-07 06:50:22 C 04 26 00.446 -12 56 40.70 U F52
2022-01-07 07:06:04 C 04 26 00.195 -12 56 35.23 U F52
2022-01-07 07:51:14 C 04 25 59.47 -12 56 19.4 V T05
2022-01-07 07:56:31 C 04 25 59.37 -12 56 17.2 V T05