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
2002-01-15 04:06:54 C 06 33 16.97 +20 37 23.3 c 642
2002-01-15 04:18:20 C 06 33 16.08 +20 37 21.8 c 642
2002-01-15 05:43:50 C 06 33 09.48 +20 37 13.6 17.3 c 704
2002-01-15 06:05:42 C 06 33 07.78 +20 37 08.6 16.9 c 704
2002-01-15 06:27:32 C 06 33 06.11 +20 37 04.1 17.7 c 704
2002-01-15 06:49:24 C 06 33 04.31 +20 37 00.2 17.1 c 704
2002-01-15 07:11:15 C 06 33 02.67 +20 36 55.4 16.7 c 704
2002-01-15 21:07:49 C 06 32 02.80 +20 34 10.7 c 113
2002-01-15 21:09:46 C 06 32 02.65 +20 34 10.2 c 113
2002-01-15 21:11:45 C 06 32 02.50 +20 34 09.8 c 113
2002-01-15 21:13:43 C 06 32 02.34 +20 34 09.6 c 113
2002-01-15 21:15:40 C 06 32 02.18 +20 34 09.1 c 113
2002-01-17 04:55:48 C 06 29 44.88 +20 28 02.6 c 670
2002-01-17 07:22:01 C 06 29 33.41 +20 27 33.7 c 670
2002-01-17 08:28:28 C 06 29 28.20 +20 27 20.3 c 670
2002-01-17 12:24:09 C 06 29 11.71 +20 26 56.8 m 428
2002-01-17 12:29:00 C 06 29 11.31 +20 26 55.8 m 428
2002-01-18 12:15:12 C 06 27 27.68 +20 22 03.9 m 428
2002-01-18 12:19:35 C 06 27 27.34 +20 22 02.7 m 428
2002-01-19 04:00:47 C 06 26 19.53 +20 18 21.4 16.9 c 704
2002-01-19 04:44:10 C 06 26 16.11 +20 18 12.1 17.0 c 704
2002-01-19 05:05:53 C 06 26 14.44 +20 18 06.1 18.4 c 704
2002-01-19 05:27:37 C 06 26 12.68 +20 18 02.9 17.0 c 704
2002-01-19 05:29:30 C 06 26 12.55 +20 18 03.7 16.6 c 704
2002-01-19 05:33:47 C 06 26 12.24 +20 18 02.7 16.7 c 704
2002-01-19 05:51:17 C 06 26 10.80 +20 17 58.9 16.7 c 704
2002-01-19 05:56:20 C 06 26 10.47 +20 17 57.8 16.8 c 704
2002-01-19 06:13:03 C 06 26 09.10 +20 17 54.3 16.7 c 704
2002-01-19 06:19:09 C 06 26 08.66 +20 17 52.8 16.8 c 704
2002-01-19 06:34:50 C 06 26 07.40 +20 17 49.8 16.8 c 704
2002-01-19 06:42:49 C 06 26 06.75 +20 17 48.3 17.1 c 704
2002-01-19 06:56:38 C 06 26 05.68 +20 17 44.8 16.7 c 704
2002-01-19 07:05:39 C 06 26 04.97 +20 17 42.6 16.9 c 704
2002-01-20 22:49:17 C 06 23 12.63 +20 09 00.8 16.6 939
2002-01-20 22:57:50 C 06 23 11.95 +20 08 59.2 16.6 939
2002-01-20 23:06:19 C 06 23 11.28 +20 08 57.1 16.6 939
2002-01-22 03:51:04 C 06 21 08.11 +20 02 28.6 16.9 c 704
2002-01-22 04:12:22 C 06 21 06.44 +20 02 23.9 17.0 c 704
2002-01-22 04:33:43 C 06 21 04.78 +20 02 19.5 17.3 c 704
2002-01-22 05:16:22 C 06 21 01.49 +20 02 10.0 17.0 c 704
2002-01-25 05:09:40 C 06 15 57.95 +19 44 55.5 c 670
2002-01-25 06:12:42 C 06 15 53.21 +19 44 39.9 c 670
2002-01-25 08:18:49 C 06 15 43.63 +19 44 06.9 c 670
2002-01-25 13:56:53 C 06 15 21.45 +19 43 11.6 c 322
2002-01-25 14:02:17 C 06 15 21.01 +19 43 09.2 c 322
2002-01-25 14:07:30 C 06 15 20.60 +19 43 07.5 c 322
2002-01-25 14:12:29 C 06 15 20.29 +19 43 07.1 c 322
2002-01-25 14:17:31 C 06 15 19.92 +19 43 05.5 c 322
2002-01-29 18:45:00 C 06 08 42.78 +19 16 14.5 151
2002-01-29 18:48:59 C 06 08 42.50 +19 16 13.6 151