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
2002-02-04 19:43:41 C 06 00 23.44 +18 34 42.3 c 113
2002-02-04 19:46:42 C 06 00 23.27 +18 34 41.9 c 113
2002-02-04 19:49:41 C 06 00 23.10 +18 34 40.7 c 113
2002-02-04 19:52:41 C 06 00 22.97 +18 34 39.7 c 113
2002-02-05 18:55:03 C 05 59 14.27 +18 27 44.4 c 118
2002-02-05 18:58:58 C 05 59 14.08 +18 27 43.5 c 118
2002-02-05 19:04:03 C 05 59 13.80 +18 27 41.9 c 118
2002-02-07 04:06:43 C 05 57 40.35 +18 17 42.7 17.0 c 704
2002-02-07 04:27:50 C 05 57 39.23 +18 17 35.8 17.1 c 704
2002-02-07 04:49:58 C 05 57 38.07 +18 17 28.9 17.1 c 704
2002-02-07 05:12:04 C 05 57 36.91 +18 17 21.8 16.9 c 704
2002-02-07 05:33:31 C 05 57 35.77 +18 17 14.8 17.1 c 704
2002-02-08 04:06:12 C 05 56 37.12 +18 10 20.9 17.5 c 704
2002-02-08 04:27:19 C 05 56 36.04 +18 10 13.4 17.1 c 704
2002-02-08 04:48:04 C 05 56 35.00 +18 10 06.8 17.0 c 704
2002-02-08 05:08:51 C 05 56 33.95 +18 10 00.0 16.9 c 704
2002-02-08 05:29:51 C 05 56 32.91 +18 09 53.1 16.8 c 704
2002-02-08 13:26:56 C 05 56 13.41 +18 07 57.0 c 322
2002-02-08 13:32:26 C 05 56 13.11 +18 07 54.7 c 322
2002-02-08 13:36:54 C 05 56 12.94 +18 07 53.7 c 322
2002-02-08 14:01:54 C 05 56 11.68 +18 07 45.7 c 322
2002-02-08 14:06:58 C 05 56 11.42 +18 07 43.7 c 322
2002-02-08 14:10:45 C 05 56 11.25 +18 07 42.5 c 322
2002-02-08 14:15:25 C 05 56 11.05 +18 07 41.1 c 322
2002-02-08 20:36:59 C 05 55 55.72 +18 05 04.9 560
2002-02-08 20:42:58 C 05 55 55.46 +18 05 03.1 560
2002-02-08 20:48:58 C 05 55 55.15 +18 05 01.1 560
2002-02-08 20:55:58 C 05 55 54.82 +18 04 58.8 560
2002-02-09 03:54:36 C 05 55 38.31 +18 02 53.6 16.7 c 704
2002-02-09 04:16:21 C 05 55 37.25 +18 02 46.6 16.9 c 704
2002-02-09 04:59:04 C 05 55 35.24 +18 02 33.0 16.9 c 704
2002-02-09 05:20:20 C 05 55 34.23 +18 02 25.7 16.8 c 704
2002-02-09 19:16:05 C 05 55 02.65 +17 57 58.9 157
2002-02-09 19:26:44 C 05 55 02.18 +17 57 55.7 157
2002-02-09 19:36:45 C 05 55 01.68 +17 57 52.7 157
2002-02-11 04:10:08 C 05 53 50.88 +17 47 36.5 17.0 c 704
2002-02-11 04:31:22 C 05 53 50.01 +17 47 30.0 17.2 c 704
2002-02-11 04:54:59 C 05 53 48.96 +17 47 21.8 17.2 c 704
2002-02-11 05:16:44 C 05 53 48.07 +17 47 14.6 17.0 c 704
2002-02-11 05:38:45 C 05 53 47.17 +17 47 07.2 17.0 c 704
2002-02-12 03:55:32 C 05 53 04.31 +17 39 57.5 16.9 c 704
2002-02-12 04:17:19 C 05 53 03.44 +17 39 50.5 17.0 c 704
2002-02-12 04:38:33 C 05 53 02.61 +17 39 43.5 16.9 c 704
2002-02-12 05:00:32 C 05 53 01.75 +17 39 36.2 17.0 c 704
2002-02-12 05:21:24 C 05 53 00.96 +17 39 29.0 17.0 c 704
2002-02-14 02:32:03 C 05 51 45.80 +17 24 45.9 16.8 c 704
2002-02-14 02:53:00 C 05 51 45.05 +17 24 41.2 18.0 c 704
2002-02-14 03:15:17 C 05 51 44.33 +17 24 32.2 17.2 c 704
2002-02-14 03:35:59 C 05 51 43.65 +17 24 25.7 17.1 c 704
2002-02-14 03:56:57 C 05 51 43.00 +17 24 16.8 16.8 c 704