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
1980-10-05 12:07:28 23 19 40.82 -35 27 31.0 r 260
1980-10-05 13:12:27 23 19 39.86 -35 27 39.7 r 260
2001-10-23 11:50:19 C 05 07 02.98 -15 50 54.4 r 608
2001-10-23 12:05:54 C 05 07 02.83 -15 50 57.8 r 608
2001-10-23 12:21:57 C 05 07 02.59 -15 51 01.8 r 608
2001-12-18 09:32:43 C 04 33 33.29 -15 59 41.2 r 608
2010-09-11 11:49:52 C 22 57 47.12 -32 12 09.4 r E12
2010-09-11 12:09:53 C 22 57 46.63 -32 12 17.3 r E12
2010-09-11 12:28:22 C 22 57 46.16 -32 12 24.7 r E12
2010-09-11 12:48:10 C 22 57 45.64 -32 12 32.4 r E12
2010-10-04 13:35:27 C 22 47 00.76 -34 37 39.3 r E12
2010-10-04 13:47:40 C 22 47 00.56 -34 37 41.1 r E12
2010-10-04 13:59:54 C 22 47 00.39 -34 37 42.9 r E12
2010-10-04 14:12:05 C 22 47 00.29 -34 37 44.5 r E12
2010-10-04 14:24:14 C 22 47 00.07 -34 37 46.0 r E12
2010-10-04 15:47:20 C 22 46 58.95 -34 37 57.1 r E12
2010-10-05 09:20:59 C 22 46 45.86 -34 40 18.3 r E12
2010-10-05 09:27:08 C 22 46 45.76 -34 40 19.0 r E12
2010-10-05 12:23:14 C 22 46 43.37 -34 40 42.2 r E12
2010-10-05 12:27:57 C 22 46 43.32 -34 40 42.9 r E12
2010-10-05 12:29:07 C 22 46 43.40 -34 40 41.6 o D96
2010-10-05 12:48:30 C 22 46 43.06 -34 40 45.2 r D96
2010-10-05 13:10:24 C 22 46 42.78 -34 40 47.7 r D96
2010-10-05 13:14:17 C 22 46 42.70 -34 40 47.4 o D96
2010-10-05 14:07:49 C 22 46 42.02 -34 40 55.2 r D96
2010-10-05 14:48:50 C 22 46 41.48 -34 41 00.3 r D96
2010-10-05 14:59:24 C 22 46 41.34 -34 41 01.5 r D96
2010-10-05 15:11:36 C 22 46 41.11 -34 41 02.7 r D96
2010-10-05 15:55:02 C 22 46 40.60 -34 41 08.3 r D96
2010-10-05 15:59:06 C 22 46 40.53 -34 41 08.8 r E12
2010-10-05 16:01:35 C 22 46 40.48 -34 41 08.6 D90
2010-10-05 16:05:00 C 22 46 40.42 -34 41 09.4 r E12
2010-10-05 16:30:44 C 22 46 40.13 -34 41 13.0 D90
2010-10-05 16:49:43 C 22 46 39.91 -34 41 13.9 o D90
2010-10-05 16:52:30 C 22 46 39.85 -34 41 14.6 o D90
2010-10-06 15:04:01 C 22 46 24.06 -34 43 57.0 o E10
2010-10-09 14:45:27 C 22 45 39.17 -34 51 12.9 r D96
2010-10-09 15:17:03 C 22 45 38.91 -34 51 17.0 r D96
2010-10-10 13:00:07 C 22 45 27.47 -34 53 06.3 m 372
2010-10-10 13:11:09 C 22 45 27.33 -34 53 06.0 o 372
2010-10-10 13:21:33 C 22 45 27.21 -34 53 06.3 o 372
2010-10-11 14:38:00 C 22 45 14.93 -34 54 52.2 r D96
2010-10-11 15:03:11 C 22 45 14.71 -34 54 53.3 r D96
2010-10-19 11:04:47 C 22 44 26.57 -35 00 19.9 o E10
2010-10-19 11:19:32 C 22 44 26.54 -35 00 19.5 o E10
2010-10-20 11:34:53 C 22 44 25.90 -35 00 03.0 o E10
2010-10-20 11:52:20 C 22 44 25.83 -35 00 02.6 o E10
2010-11-18 12:04:38 C 22 53 07.93 -33 35 05.3 o E10
2010-11-18 12:10:28 C 22 53 08.04 -33 35 04.2 o E10
2010-11-20 13:19:56 C 22 54 22.03 -33 24 30.3 u D90