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
2002-03-08 10:53:45 C 05 57 56.53 +13 55 02.4 c 355
2002-03-08 10:57:40 C 05 57 56.69 +13 54 59.4 c 355
2002-03-08 19:42:42 C 05 58 23.60 +13 50 25.8 d 557
2002-03-08 19:51:03 C 05 58 23.99 +13 50 21.2 d 557
2002-03-08 19:58:12 C 05 58 24.30 +13 50 17.7 d 557
2002-03-09 11:38:16 C 05 59 14.31 +13 42 26.2 c 349
2002-03-09 11:40:54 C 05 59 14.39 +13 42 24.8 c 349
2002-03-09 11:43:17 C 05 59 14.54 +13 42 23.6 c 349
2002-03-09 11:45:48 C 05 59 14.62 +13 42 22.2 c 349
2002-03-10 19:29:34 C 06 01 04.69 +13 25 27.5 c 198
2002-03-10 19:40:42 C 06 01 05.27 +13 25 21.3 c 198
2002-03-10 19:48:33 C 06 01 05.68 +13 25 17.0 c 198
2002-03-12 13:29:08 C 06 03 44.92 +13 02 55.1 c 322
2002-03-12 13:35:41 C 06 03 45.25 +13 02 50.8 c 322
2002-03-12 13:42:27 C 06 03 45.85 +13 02 46.8 c 322
2002-03-13 11:34:34 C 06 05 17.42 +12 49 08.8 379
2002-03-13 11:43:42 C 06 05 17.97 +12 49 03.5 379
2002-03-17 02:43:03 C 06 12 18.86 +11 52 50.8 16.1 c 704
2002-03-17 03:01:36 C 06 12 20.31 +11 52 37.8 16.7 c 704
2002-03-17 03:20:46 C 06 12 21.77 +11 52 23.9 16.4 c 704
2002-03-17 03:39:10 C 06 12 23.22 +11 52 10.9 16.5 c 704
2002-03-17 03:57:42 C 06 12 24.62 +11 51 58.4 17.0 c 704
2002-03-26 19:59:59 C 06 40 18.96 +08 21 26.5 c 185
2002-03-26 20:03:36 C 06 40 19.46 +08 21 22.2 c 185
2002-03-26 20:05:59 C 06 40 19.82 +08 21 19.5 c 185
2002-03-26 20:08:33 C 06 40 20.19 +08 21 16.2 c 185
2002-03-26 20:10:25 C 06 40 20.46 +08 21 14.3 c 185
2002-03-26 20:20:44 C 06 40 21.97 +08 21 01.9 c 185
2002-03-26 20:24:26 C 06 40 22.52 +08 20 58.2 c 185
2002-03-27 19:55:26 C 06 44 10.96 +07 52 24.9 c 113
2002-03-27 19:59:07 C 06 44 11.55 +07 52 20.6 c 113
2002-03-27 20:02:57 C 06 44 12.13 +07 52 15.5 c 113
2002-03-27 20:04:22 C 06 44 12.38 +07 52 13.4 c 113
2002-03-27 20:05:55 C 06 44 12.64 +07 52 11.6 c 113
2002-03-30 19:29:54 C 06 57 15.42 +06 14 10.6 c 157
2002-03-30 19:31:47 C 06 57 15.71 +06 14 07.6 c 157
2002-03-30 19:33:37 C 06 57 15.97 +06 14 04.6 c 157
2002-03-30 19:35:29 C 06 57 16.39 +06 14 01.0 c 157
2002-03-30 19:37:20 C 06 57 16.66 +06 13 59.4 c 157
2002-03-31 20:38:11 C 07 02 26.75 +05 34 48.1 c 560
2002-03-31 20:41:38 C 07 02 27.36 +05 34 42.4 c 560
2002-03-31 20:44:59 C 07 02 28.10 +05 34 36.7 c 560
2002-03-31 20:53:32 C 07 02 29.76 +05 34 23.4 c 560
2002-04-01 11:27:03 C 07 05 40.81 +05 10 31.0 c 379
2002-04-01 11:40:50 C 07 05 43.69 +05 10 08.3 c 379
2002-04-01 11:54:14 C 07 05 46.47 +05 09 45.3 c 379
2002-04-02 19:09:38 C 07 13 03.45 +04 14 25.3 i 071
2002-04-02 19:18:07 C 07 13 05.25 +04 14 11.2 i 071
2002-04-02 19:25:00 C 07 13 06.83 +04 13 58.6 i 071
2002-04-02 20:26:00 C 07 13 21.72 +04 12 02.1 c 560