200840 (2001 XN254)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5611027636 ± 6.74e-09
Semi-major axis (a)2.3201238807 AU ± 5.37e-09
Inclination (i)1.94289106° ± 1.21e-06
Long. of Asc. Node (Ω)264.05320698° ± 3.85e-05
Arg. of Perihelion (ω)278.72654605° ± 3.92e-05
Mean Anomaly (M)243.84662531° ± 9.77e-06
Mean Motion (n)0.2788980738°/day ± 9.68e-10
Perihelion dist (q)1.01829596 AU ± 1.58e-08
Aphelion dist (Q)3.62195180 AU ± 1.77e-08
Orbital Period3.53400176 yr ± 1.23e-08
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.376″
Uncertainty0
Orbit TypeAmor
MOID0.039477 AU
Observations Used715
Oppositions22
Arc Total1994-2025
First Observation Used1994-12-08
Last Observation Used2025-10-17
Observations (737)
Date Type RA Dec Mag Band Observatory
2002-05-08 14:41:15 C 14 04 21.14 -24 43 55.1 379
2002-05-08 14:43:36 C 14 04 21.76 -24 43 54.7 379
2002-05-08 14:53:34 C 14 04 24.25 -24 43 51.3 379
2002-05-09 06:26:18 C 14 08 28.06 -24 39 10.0 15.9 c 704
2002-05-09 06:44:04 C 14 08 32.20 -24 39 05.0 15.7 c 704
2002-05-09 07:02:14 C 14 08 36.47 -24 38 58.6 15.4 c 704
2002-05-09 07:20:09 C 14 08 40.71 -24 38 52.8 15.1 c 704
2002-05-09 07:38:02 C 14 08 44.92 -24 38 46.5 15.3 c 704
2002-05-10 04:51:00 C 14 14 01.11 -24 31 55.0 13.8 c 644
2002-05-10 05:21:46 C 14 14 07.97 -24 31 45.9 14.0 c 644
2002-05-10 05:53:43 C 14 14 15.05 -24 31 36.2 14.0 c 644
2002-05-12 23:57:12 C 14 28 27.73 -24 08 26.6 i 212
2002-05-13 00:00:45 C 14 28 28.38 -24 08 25.7 i 212
2002-05-13 03:57:25 C 14 29 14.71 -24 06 01.3 808
2002-05-13 04:13:15 C 14 29 17.53 -24 05 55.2 808
2002-05-13 04:31:15 C 14 29 20.72 -24 05 48.7 808
2002-05-13 04:50:45 C 14 29 24.19 -24 05 41.4 808
2002-05-15 10:48:08 C 14 39 03.96 -23 46 47.5 15.2 c 608
2002-05-15 11:03:21 C 14 39 06.31 -23 46 41.6 15.2 c 608
2002-05-15 11:19:20 C 14 39 08.75 -23 46 34.8 15.0 c 608
2002-05-15 15:29:43 C 14 39 51.65 -23 44 20.6 c 322
2002-05-15 15:33:32 C 14 39 52.22 -23 44 19.3 c 322
2002-05-15 15:36:48 C 14 39 52.71 -23 44 18.0 c 322
2002-05-15 16:02:59 C 14 39 56.64 -23 44 08.2 c 322
2002-05-15 16:06:10 C 14 39 57.12 -23 44 07.1 c 322
2002-05-15 16:09:21 C 14 39 57.59 -23 44 05.9 c 322
2002-05-17 05:35:13 C 14 45 49.47 -23 31 28.6 15.2 c 704
2002-05-17 05:56:49 C 14 45 52.39 -23 31 21.1 15.5 c 704
2002-05-17 06:18:43 C 14 45 55.35 -23 31 13.2 15.3 c 704
2002-05-17 06:40:20 C 14 45 58.27 -23 31 05.3 15.5 c 704
2002-05-17 07:02:15 C 14 46 01.22 -23 30 57.1 15.4 c 704
2002-05-17 09:00:06 C 14 46 17.71 -23 30 14.0 14.3 c 644
2002-05-17 09:20:12 C 14 46 20.39 -23 30 05.5 14.5 c 644
2002-05-17 09:37:16 C 14 46 22.73 -23 29 56.7 14.5 c 644
2002-05-18 23:59:33 C 14 51 47.44 -23 16 39.7 i 212
2002-05-19 00:03:09 C 14 51 47.95 -23 16 38.1 i 212
2002-05-19 14:19:20 C 14 53 40.55 -23 11 46.6 e 379
2002-05-19 14:21:16 C 14 53 40.77 -23 11 46.1 e 379
2002-05-19 14:23:28 C 14 53 41.06 -23 11 45.4 e 379
2002-05-19 14:28:33 C 14 53 41.67 -23 11 43.6 e 379
2002-05-20 11:53:57 C 14 56 24.76 -23 03 46.5 423
2002-05-20 12:09:57 C 14 56 26.54 -23 03 41.5 423
2002-05-20 12:41:11 C 14 56 29.91 -23 03 37.3 e 428
2002-05-20 12:45:31 C 14 56 30.45 -23 03 35.7 e 428
2002-05-20 12:49:54 C 14 56 30.89 -23 03 34.4 e 428
2002-05-20 12:49:57 C 14 56 30.96 -23 03 28.4 423
2002-05-20 13:27:20 C 14 56 35.75 -23 04 04.0 e 379
2002-05-20 13:33:04 C 14 56 36.37 -23 04 02.1 e 379
2002-05-20 13:36:02 C 14 56 36.73 -23 04 00.9 e 379
2002-05-20 13:46:33 C 14 56 37.87 -23 03 57.7 e 379