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
2002-05-21 12:43:50 C 14 59 22.10 -22 55 46.0 423
2002-05-21 13:15:49 C 14 59 25.43 -22 55 35.6 423
2002-05-21 13:55:49 C 14 59 29.61 -22 55 22.6 423
2002-05-22 12:23:18 C 15 02 02.77 -22 48 21.7 423
2002-05-22 13:10:50 C 15 02 07.47 -22 48 06.9 423
2002-05-28 05:40:08 C 15 15 13.89 -22 10 49.4 16.1 c 644
2002-05-28 07:15:10 C 15 15 21.04 -22 10 25.7 16.0 c 644
2002-05-28 08:54:10 C 15 15 28.39 -22 10 00.1 18.0 c 644
2002-05-30 14:25:20 C 15 19 46.03 -21 56 53.5 c 322
2002-05-30 14:49:10 C 15 19 47.63 -21 56 48.3 c 322
2002-05-30 15:03:50 C 15 19 48.62 -21 56 45.0 c 322
2002-05-31 05:48:47 C 15 20 55.47 -21 54 03.3 c 699
2002-05-31 06:02:37 C 15 20 56.39 -21 54 00.4 c 699
2002-05-31 06:16:27 C 15 20 57.32 -21 53 57.4 c 699
2002-05-31 06:30:19 C 15 20 58.23 -21 53 54.5 c 699
2002-06-05 05:33:14 C 15 29 07.56 -21 30 58.1 16.7 c 704
2002-06-05 06:12:51 C 15 29 09.78 -21 30 51.2 16.7 c 704
2002-06-05 06:32:40 C 15 29 10.90 -21 30 48.5 17.0 c 704
2002-06-05 06:52:29 C 15 29 11.97 -21 30 44.5 16.8 c 704
2002-06-08 05:48:14 C 15 33 31.81 -21 19 47.3 16.9 c 704
2002-06-08 06:08:05 C 15 33 32.84 -21 19 44.5 17.0 c 704
2002-06-08 06:27:57 C 15 33 33.86 -21 19 41.5 16.8 c 704
2002-06-08 06:47:50 C 15 33 34.92 -21 19 38.5 17.0 c 704
2002-06-08 07:07:43 C 15 33 35.94 -21 19 35.4 16.8 c 704
2002-06-09 05:40:43 C 15 34 55.26 -21 16 29.4 19.0 c 704
2002-06-09 06:00:14 C 15 34 56.27 -21 16 28.4 18.2 c 704
2002-06-09 06:20:58 C 15 34 57.28 -21 16 26.0 17.2 c 704
2002-06-09 06:40:06 C 15 34 58.28 -21 16 23.2 17.0 c 704
2002-06-09 06:59:30 C 15 34 59.27 -21 16 20.7 17.7 c 704
2002-06-10 05:34:59 C 15 36 17.16 -21 13 26.6 16.5 c 704
2002-06-10 05:54:58 C 15 36 18.14 -21 13 24.2 16.8 c 704
2002-06-10 06:14:30 C 15 36 19.12 -21 13 21.6 16.7 c 704
2002-06-10 06:33:50 C 15 36 20.14 -21 13 19.3 17.0 c 704
2002-06-10 06:53:28 C 15 36 21.09 -21 13 16.5 17.4 c 704
2002-06-12 05:42:12 C 15 38 57.57 -21 07 53.7 17.0 c 704
2002-06-12 06:01:48 C 15 38 58.60 -21 07 50.8 16.8 c 704
2002-06-12 06:21:23 C 15 38 59.52 -21 07 48.5 17.2 c 704
2002-06-12 06:40:58 C 15 39 00.47 -21 07 46.0 16.9 c 704
2002-06-12 07:00:35 C 15 39 01.43 -21 07 43.5 17.2 c 704
2002-06-15 09:34:36 C 15 43 02.53 -21 00 19.4 d 428
2002-06-15 09:40:58 C 15 43 02.82 -21 00 18.9 d 428
2002-06-15 23:54:23 C 15 43 46.37 -20 59 32.8 941
2002-06-16 00:00:05 C 15 43 46.53 -20 59 31.8 941
2002-06-16 00:02:58 C 15 43 46.75 -20 59 30.5 941
2002-06-16 00:08:09 C 15 43 47.01 -20 59 29.5 941
2002-06-16 05:45:34 C 15 44 05.23 -20 59 05.0 16.7 c 644
2002-06-16 06:15:46 C 15 44 06.66 -20 59 03.2 16.4 c 644
2002-06-16 06:44:53 C 15 44 07.99 -20 59 00.2 16.7 c 644
2002-06-18 05:33:14 C 15 46 33.47 -20 55 45.8 17.6 c 704
2002-06-18 05:52:16 C 15 46 34.37 -20 55 44.9 17.8 c 704