242P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2019-10-12 (JD 2458768.5)
Eccentricity (e)0.2777765952 ± 5.94e-08
Semi-major axis (a)5.4754348519 AU ± 5.56e-08
Inclination (i)32.48011516° ± 5.21e-06
Long. of Asc. Node (Ω)180.53322059° ± 1.36e-05
Arg. of Perihelion (ω)246.35253171° ± 4.64e-05
Mean Anomaly (M)212.73014122° ± 2.64e-05
Mean Motion (n)0.0769279842°/day ± 1.17e-09
Perihelion dist (q)3.95448720 AU ± 3.28e-07
Aphelion dist (Q)6.99638250 AU ± 3.33e-07
Orbital Period12.81232433 yr ± 1.95e-07
NGA Modelg(r)
A2-2.34069756e-06 ± 1.85e-07 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.664″
Uncertainty0
Orbit TypeJupiter Trojan
MOID3.111451 AU
Observations Used1515
Oppositions27
Arc Total1997-2026
First Observation Used1997-10-29
Last Observation Used2026-04-07
Observations (1557)
Date Type RA Dec Mag Band Observatory
1997-10-29 07:31:28 C 00 04 33.70 -03 55 42.4 566
1997-10-29 07:44:55 C 00 04 33.42 -03 55 47.0 566
1997-10-29 07:47:20 C 00 04 33.45 -03 55 46.6 566
1997-10-29 08:00:25 C 00 04 33.30 -03 55 50.1 566
1997-12-27 04:59:32 C 00 09 59.05 -06 20 06.9 566
1998-10-27 09:04:31 c 04 08 45.61 -11 54 13.0 703
1998-10-27 09:16:02 c 04 08 45.40 -11 54 17.4 703
1998-10-27 09:27:50 c 04 08 45.23 -11 54 21.0 703
1998-10-28 06:48:16 c 04 08 25.09 -12 02 00.5 703
1998-10-28 06:59:14 c 04 08 24.95 -12 02 03.9 703
1998-10-28 08:32:21 c 04 08 23.37 -12 02 37.5 703
1998-10-28 09:03:23 c 04 08 22.80 -12 02 47.4 691
1998-10-29 06:23:11 c 04 08 01.96 -12 10 20.8 703
1998-10-29 06:28:51 c 04 08 01.82 -12 10 23.3 703
1998-10-29 07:30:18 C 04 08 00.86 -12 10 44.9 713
1998-10-29 11:04:41 c 04 07 57.17 -12 11 59.9 703
1998-10-30 06:50:51 C 04 07 37.35 -12 18 54.3 734
1998-10-30 07:01:49 C 04 07 37.17 -12 18 58.1 734
1998-10-30 07:13:16 C 04 07 36.94 -12 19 01.9 734
1998-10-30 09:26:11 C 04 07 34.62 -12 19 48.8 658
1998-10-30 09:33:08 C 04 07 34.50 -12 19 51.2 658
1998-10-30 23:15:30 C 04 07 20.35 -12 24 35.3 587
1998-10-30 23:36:19 C 04 07 20.00 -12 24 42.0 587
1998-10-31 14:03:41 C 04 07 04.85 -12 29 37.2 402
1998-10-31 14:05:42 C 04 07 04.86 -12 29 37.5 402
1998-11-03 16:34:14 C 04 05 42.75 -12 54 22.4 402
1998-11-03 16:36:14 C 04 05 42.67 -12 54 23.0 402
1998-11-03 16:38:14 C 04 05 42.61 -12 54 23.0 402
1998-11-07 22:13:04 C 04 03 41.56 -13 25 58.2 046
1998-11-07 22:22:03 C 04 03 41.44 -13 26 00.5 046
1998-11-07 22:29:02 C 04 03 41.26 -13 26 02.7 046
1998-11-07 22:31:22 C 04 03 41.18 -13 26 03.9 046
1998-11-10 14:28:45 C 04 02 20.37 -13 44 30.5 360
1998-11-10 14:35:14 C 04 02 20.22 -13 44 32.2 360
1998-11-10 14:41:15 C 04 02 20.08 -13 44 33.8 360
1998-11-11 14:00:05 C 04 01 49.90 -13 50 59.2 355
1998-11-11 14:29:05 C 04 01 49.17 -13 51 08.1 897
1998-11-11 14:39:23 C 04 01 48.96 -13 51 08.8 355
1998-11-11 14:44:40 C 04 01 48.84 -13 51 12.3 897
1998-11-11 15:00:12 C 04 01 48.51 -13 51 16.8 897
1998-11-12 13:58:01 C 04 01 18.41 -13 57 26.7 402
1998-11-12 14:02:00 C 04 01 18.34 -13 57 28.0 402
1998-11-12 14:06:00 C 04 01 18.24 -13 57 28.9 402
1998-11-12 14:26:00 C 04 01 17.84 -13 57 34.5 360
1998-11-12 14:32:00 04 01 17.57 -13 57 35.4 372
1998-11-12 14:32:59 C 04 01 17.66 -13 57 36.0 360
1998-11-12 14:38:30 C 04 01 17.52 -13 57 37.4 360
1998-11-14 15:58:30 04 00 11.58 -14 10 18.7 372
1998-11-15 16:32:59 03 59 38.42 -14 16 21.6 372
1998-11-15 17:07:15 C 03 59 37.56 -14 16 29.4 360