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
2002-04-02 20:29:56 C 07 13 22.67 +04 11 54.6 c 560
2002-04-02 20:37:57 C 07 13 24.49 +04 11 39.9 c 560
2002-04-02 20:44:57 C 07 13 26.10 +04 11 26.9 c 560
2002-04-03 10:24:22 C 07 16 50.26 +03 47 20.7 m 422
2002-04-03 10:25:33 C 07 16 50.53 +03 47 18.4 m 422
2002-04-03 10:26:43 C 07 16 50.83 +03 47 16.0 m 422
2002-04-03 11:36:16 C 07 17 07.14 +03 44 57.0 m 428
2002-04-03 11:38:37 C 07 17 07.72 +03 44 52.3 m 428
2002-04-03 11:41:00 C 07 17 08.25 +03 44 48.0 m 428
2002-04-03 14:19:59 C 07 17 48.88 +03 39 44.4 c 322
2002-04-03 14:23:43 C 07 17 49.75 +03 39 37.1 c 322
2002-04-03 14:26:59 C 07 17 50.58 +03 39 31.1 c 322
2002-04-04 12:14:49 C 07 23 37.37 +02 54 13.2 367
2002-04-04 12:17:20 C 07 23 38.00 +02 54 07.5 367
2002-04-04 12:19:40 C 07 23 38.60 +02 54 02.9 367
2002-04-05 20:52:02 C 07 32 57.15 +01 43 13.1 232
2002-04-05 21:00:29 C 07 32 59.57 +01 42 53.8 232
2002-04-05 21:08:02 C 07 33 01.79 +01 42 36.5 232
2002-04-05 21:13:26 C 07 33 03.18 +01 42 24.9 232
2002-04-05 21:17:03 C 07 33 04.26 +01 42 16.1 232
2002-04-05 21:21:40 C 07 33 05.98 +01 42 11.9 232
2002-04-07 19:00:00 C 07 47 45.28 -00 06 50.9 c 641
2002-04-07 19:14:59 C 07 47 50.11 -00 07 29.7 c 641
2002-04-07 19:30:00 C 07 47 54.98 -00 08 08.7 c 641
2002-04-07 19:48:00 C 07 48 00.89 -00 08 55.7 c 641
2002-04-10 03:01:48 C 08 08 38.39 -02 44 57.6 15.4 c 704
2002-04-10 03:20:13 C 08 08 45.41 -02 45 52.9 15.9 c 704
2002-04-10 03:37:15 C 08 08 51.91 -02 46 43.8 15.5 c 704
2002-04-10 03:54:26 C 08 08 58.47 -02 47 35.0 16.2 c 704
2002-04-10 04:11:26 C 08 09 04.98 -02 48 26.3 16.0 c 704
2002-04-19 03:16:03 C 10 04 51.25 -15 30 56.2 14.5 c 704
2002-04-19 03:35:44 C 10 05 03.55 -15 32 06.5 14.8 c 704
2002-04-19 03:55:24 C 10 05 15.87 -15 33 17.3 15.0 c 704
2002-04-19 10:02:02 C 10 09 18.32 -15 53 04.2 m 428
2002-04-19 10:04:39 C 10 09 19.98 -15 53 13.5 m 428
2002-04-19 10:07:18 C 10 09 21.64 -15 53 22.9 m 428
2002-04-20 03:21:10 C 10 20 49.64 -16 55 10.4 14.6 c 704
2002-04-20 03:40:55 C 10 21 02.29 -16 56 17.4 15.9 c 704
2002-04-20 04:00:40 C 10 21 14.89 -16 57 24.1 14.5 c 704
2002-04-20 04:40:19 C 10 21 40.27 -16 59 38.3 14.6 c 704
2002-05-06 03:40:55 C 13 47 06.13 -24 56 54.2 808
2002-05-06 04:11:55 C 13 47 15.39 -24 56 48.2 808
2002-05-08 01:57:16 C 14 00 56.96 -24 47 20.3 d 452
2002-05-08 02:02:04 C 14 00 58.22 -24 47 19.3 d 452
2002-05-08 02:20:31 C 14 01 03.00 -24 47 15.4 d 452
2002-05-08 12:01:06 C 14 03 40.04 -24 43 37.8 e 428
2002-05-08 12:02:23 C 14 03 40.32 -24 43 37.6 e 428
2002-05-08 12:06:52 C 14 03 41.47 -24 43 36.3 e 428
2002-05-08 12:08:09 C 14 03 41.80 -24 43 36.0 e 428
2002-05-08 14:38:41 C 14 04 20.47 -24 43 55.9 379