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
1998-11-15 17:13:30 C 03 59 37.40 -14 16 30.8 360
1998-11-22 16:10:58 C 03 55 46.47 -14 52 08.6 900
1998-11-22 16:21:54 C 03 55 46.10 -14 52 10.5 900
1998-11-23 14:12:59 03 55 15.80 -14 56 07.4 372
1998-11-23 14:22:44 C 03 55 15.56 -14 56 10.1 360
1998-11-23 14:30:29 C 03 55 15.37 -14 56 11.1 360
1998-11-26 12:40:27 C 03 53 37.78 -15 07 40.0 402
1998-11-26 12:42:27 C 03 53 37.73 -15 07 41.0 402
1998-11-26 12:44:28 C 03 53 37.67 -15 07 41.1 402
1998-11-27 08:14:07 C 03 53 10.54 -15 10 33.1 696
1998-11-30 06:44:30 C 03 51 34.04 -15 19 46.7 696
1998-12-06 21:19:40 C 03 48 05.87 -15 33 46.9 104
1998-12-06 21:50:25 C 03 48 05.29 -15 33 48.2 104
1998-12-09 03:13:34 C 03 46 59.42 -15 36 28.0 761
1998-12-09 03:40:05 C 03 46 58.76 -15 36 28.7 761
1998-12-09 20:00:24 C 03 46 38.89 -15 37 02.5 113
1998-12-09 21:06:32 C 03 46 37.45 -15 37 03.5 113
1998-12-10 23:13:36 C 03 46 06.50 -15 37 48.6 118
1998-12-10 23:22:19 C 03 46 06.29 -15 37 48.4 118
1998-12-12 14:18:21 C 03 45 21.33 -15 38 27.2 402
1998-12-12 14:20:38 C 03 45 21.28 -15 38 26.7 402
1998-12-12 14:22:56 C 03 45 21.23 -15 38 27.2 402
1998-12-13 15:13:00 C 03 44 53.35 -15 38 33.1 897
1998-12-13 15:30:44 C 03 44 52.99 -15 38 33.4 897
1998-12-13 15:39:37 C 03 44 52.74 -15 38 33.1 897
1998-12-17 13:47:45 C 03 43 13.70 -15 37 00.3 360
1998-12-17 13:54:00 C 03 43 13.61 -15 36 59.9 360
1998-12-18 10:45:57 C 03 42 53.16 -15 36 15.9 402
1998-12-18 10:49:15 C 03 42 53.13 -15 36 16.0 402
1998-12-18 10:52:32 C 03 42 53.04 -15 36 15.4 402
1998-12-24 10:40:16 C 03 40 47.80 -15 27 06.3 402
1998-12-24 10:43:54 C 03 40 47.76 -15 27 05.6 402
1998-12-24 10:47:32 C 03 40 47.67 -15 27 05.4 402
1999-01-05 10:59:19 C 03 38 12.06 -14 50 15.7 402
1999-01-05 11:01:37 C 03 38 11.99 -14 50 15.6 402
1999-01-05 11:03:54 C 03 38 12.01 -14 50 16.0 402
1999-01-13 12:58:30 03 37 45.46 -14 13 54.9 372
1999-01-14 04:27:26 c 03 37 46.30 -14 10 42.0 691
1999-01-14 04:57:30 c 03 37 46.32 -14 10 35.7 691
1999-01-14 05:25:23 c 03 37 46.31 -14 10 29.6 691
1999-01-18 12:07:50 C 03 38 02.09 -13 47 53.6 402
1999-01-18 12:11:08 C 03 38 02.06 -13 47 52.1 402
1999-01-21 11:19:45 C 03 38 23.85 -13 31 13.0 360
1999-01-21 11:26:00 C 03 38 23.90 -13 31 11.2 360
1999-01-21 18:18:25 C 03 38 26.53 -13 29 31.4 046
1999-01-21 18:20:11 C 03 38 26.56 -13 29 31.9 046
1999-01-21 18:21:53 C 03 38 26.60 -13 29 31.5 046
1999-02-04 10:24:15 C 03 42 03.06 -12 04 12.4 402
1999-02-04 10:26:34 C 03 42 03.05 -12 04 11.6 402
1999-02-04 10:28:52 C 03 42 03.14 -12 04 10.9 402