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
2011-12-31 04:55:03 C 04 12 19.87 -15 48 32.4 r 703
2011-12-31 05:03:14 C 04 12 19.62 -15 48 28.9 r 703
2011-12-31 05:11:28 C 04 12 19.58 -15 48 26.7 r 703
2012-01-25 19:49:02 C 04 07 12.18 -11 51 29.1 r 215
2012-01-25 19:50:52 C 04 07 12.16 -11 51 28.2 r 215
2012-01-25 19:52:43 C 04 07 12.12 -11 51 27.1 r 215
2012-01-27 03:58:12 C 04 07 14.59 -11 37 52.6 r 703
2012-01-27 04:10:22 C 04 07 14.59 -11 37 48.5 r 703
2012-01-27 04:22:39 C 04 07 14.66 -11 37 42.9 r 703
2012-01-27 04:34:58 C 04 07 14.62 -11 37 36.8 r 703
2020-07-18 01:46:55 C 23 31 16.61 -21 37 39.2 V C95
2020-07-18 02:14:04 C 23 31 16.89 -21 37 50.7 V C95
2020-07-21 01:46:04 C 23 31 53.08 -22 14 04.4 V C95
2020-07-21 02:08:07 C 23 31 53.32 -22 14 16.6 V C95
2020-07-29 12:27:18 C 23 32 39.01 -24 03 03.7 V T08
2020-07-29 12:30:37 C 23 32 39.09 -24 03 04.7 V T08
2020-07-29 12:34:35 C 23 32 38.99 -24 03 08.1 V T08
2020-07-29 12:41:53 C 23 32 39.04 -24 03 11.7 V T08
2020-07-30 12:24:21 C 23 32 38.923 -24 16 27.23 U F52
2020-07-30 12:40:01 C 23 32 38.886 -24 16 36.00 U F52
2020-07-30 12:55:37 C 23 32 38.868 -24 16 44.82 U F52
2020-07-30 13:11:13 C 23 32 38.837 -24 16 53.80 U F52
2020-08-14 11:50:33 C 23 30 19.121 -27 44 11.08 U F51
2020-08-14 12:03:54 C 23 30 18.939 -27 44 18.92 U F51
2020-08-14 12:17:14 C 23 30 18.761 -27 44 26.63 U F51
2020-08-14 12:30:33 C 23 30 18.581 -27 44 34.47 U F51
2020-08-15 15:16:41 C 23 29 58.30 -28 00 08.9 q Q11
2020-08-15 15:24:52 C 23 29 58.18 -28 00 13.8 q Q11
2020-08-15 15:33:35 C 23 29 58.05 -28 00 18.9 q Q11
2020-08-16 00:59:04 C 23 29 50.41 -28 05 48.8 q 215
2020-08-16 01:02:48 C 23 29 50.40 -28 05 49.4 q 215
2020-08-16 01:06:31 C 23 29 50.37 -28 05 50.7 q 215
2020-08-20 16:07:57 C 23 28 11.00 -29 09 36.5 m 349
2020-08-20 16:30:37 C 23 28 10.62 -29 09 49.0 m 349
2020-09-07 11:05:55 C 23 19 23.14 -32 49 28.9 V T08
2020-09-07 11:11:17 C 23 19 23.03 -32 49 31.4 V T08
2020-09-07 12:02:18 C 23 19 21.74 -32 49 54.6 V T08
2020-09-07 12:09:41 C 23 19 21.50 -32 49 57.3 V T08
2020-09-09 10:24:04 C 23 18 16.37 -33 10 06.5 V T05
2020-09-09 10:24:44 C 23 18 16.50 -33 10 05.6 V T05
2020-09-09 10:28:45 C 23 18 16.27 -33 10 06.8 V T05
2020-09-09 10:29:24 C 23 18 16.36 -33 10 07.6 V T05
2020-09-09 10:36:41 C 23 18 16.11 -33 10 11.9 V T05
2020-09-09 10:37:20 C 23 18 16.18 -33 10 11.5 V T05
2020-09-09 10:51:20 C 23 18 15.79 -33 10 16.7 V T05
2020-09-09 10:52:39 C 23 18 15.74 -33 10 17.7 V T05
2020-09-11 09:43:13 C 23 17 09.35 -33 29 46.2 V T08
2020-09-11 09:45:52 C 23 17 09.33 -33 29 47.4 V T08
2020-09-11 10:21:30 C 23 17 08.40 -33 30 01.7 V T08
2020-09-11 11:02:46 C 23 17 07.41 -33 30 18.0 V T08