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
2021-10-21 11:24:10 C 05 10 08.85 -14 59 57.2 V T08
2021-10-22 11:23:57 C 05 09 53.01 -15 04 55.2 V T05
2021-10-22 11:31:54 C 05 09 52.85 -15 04 56.7 V T05
2021-10-22 11:38:32 C 05 09 52.84 -15 04 58.7 V T05
2021-10-22 12:05:30 C 05 09 52.51 -15 05 03.8 V T05
2021-10-22 12:44:36 C 05 09 52.043 -15 05 11.81 U F51
2021-10-22 13:01:52 C 05 09 51.817 -15 05 15.59 U F51
2021-10-22 13:19:22 C 05 09 51.616 -15 05 18.81 U F51
2021-10-22 13:36:37 C 05 09 51.394 -15 05 22.52 U F51
2021-10-23 11:23:36 C 05 09 35.99 -15 09 47.4 V T05
2021-10-23 11:28:55 C 05 09 35.89 -15 09 48.7 V T05
2021-10-23 11:33:38 C 05 09 35.88 -15 09 50.4 V T05
2021-10-26 11:34:10 C 05 08 38.41 -15 23 50.4 V T05
2021-10-26 11:43:28 C 05 08 38.26 -15 23 52.3 V T05
2021-10-26 11:47:38 C 05 08 38.18 -15 23 52.9 V T05
2021-10-26 12:02:49 C 05 08 37.93 -15 23 56.3 V T05
2021-10-26 12:45:00 C 05 08 37.28 -15 24 04.4 V T05
2021-10-26 13:21:11 C 05 08 36.801 -15 24 11.11 U F52
2021-10-26 13:36:46 C 05 08 36.561 -15 24 14.10 U F52
2021-10-26 13:52:19 C 05 08 36.332 -15 24 16.93 U F52
2021-10-26 14:07:54 C 05 08 36.086 -15 24 19.98 U F52
2021-10-28 12:17:19 C 05 07 54.02 -15 32 45.5 V T08
2021-10-28 12:19:58 C 05 07 53.99 -15 32 45.8 V T08
2021-10-28 12:23:56 C 05 07 53.92 -15 32 46.5 V T08
2021-10-28 12:31:14 C 05 07 53.81 -15 32 48.0 V T08
2021-10-29 17:23:23 C 05 07 25.57 -15 37 51.1 q Q11
2021-10-29 17:35:37 C 05 07 25.37 -15 37 53.3 q Q11
2021-10-29 17:47:49 C 05 07 25.16 -15 37 55.3 q Q11
2021-10-30 13:28:48 C 05 07 04.99 -15 41 14.4 V T05
2021-10-30 13:33:24 C 05 07 04.93 -15 41 15.3 V T05
2021-10-30 13:41:22 C 05 07 04.77 -15 41 16.5 V T05
2021-10-30 13:57:14 C 05 07 04.50 -15 41 19.1 V T05
2021-11-01 09:37:24 C 05 06 17.62 -15 48 22.5 V T08
2021-11-01 09:42:27 C 05 06 17.43 -15 48 24.2 V G96
2021-11-01 09:48:47 C 05 06 17.31 -15 48 25.2 V G96
2021-11-01 09:55:08 C 05 06 17.19 -15 48 26.2 V G96
2021-11-01 10:02:21 C 05 06 17.05 -15 48 27.2 V G96
2021-11-01 10:26:37 C 05 06 16.67 -15 48 30.6 V T08
2021-11-01 10:44:52 C 05 06 16.32 -15 48 33.3 V T08
2021-11-01 10:52:53 C 05 06 16.17 -15 48 34.6 V T08
2021-11-01 10:54:14 C 05 06 16.14 -15 48 35.0 V T08
2021-11-01 10:59:33 C 05 06 16.00 -15 48 35.9 V T08
2021-11-01 11:07:31 C 05 06 15.87 -15 48 37.1 V T08
2021-11-01 11:30:39 C 05 06 15.46 -15 48 40.5 V T08
2021-11-02 11:55:34 C 05 05 47.64 -15 52 24.6 V T08
2021-11-02 11:58:53 C 05 05 47.57 -15 52 25.3 V T08
2021-11-02 12:02:52 C 05 05 47.51 -15 52 25.5 V T08
2021-11-02 12:10:14 C 05 05 47.33 -15 52 27.1 V T08
2021-11-04 12:50:38 C 05 04 49.08 -15 59 26.4 V T05
2021-11-04 12:58:02 C 05 04 48.94 -15 59 27.3 V T05