211914 (2004 RM251)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6021895904 ± 1.95e-08
Semi-major axis (a)2.6026079649 AU ± 5.52e-09
Inclination (i)19.48692086° ± 7.34e-06
Long. of Asc. Node (Ω)349.27729113° ± 9.99e-06
Arg. of Perihelion (ω)111.32748460° ± 1.09e-05
Mean Anomaly (M)346.36677168° ± 3.47e-06
Mean Motion (n)0.2347465100°/day ± 7.47e-10
Perihelion dist (q)1.03534454 AU ± 5.09e-08
Aphelion dist (Q)4.16987139 AU ± 5.16e-08
Orbital Period4.19868344 yr ± 1.34e-08
Physical Parameters
H (abs. magnitude)17.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.341″
Uncertainty0
Orbit TypeAmor
MOID0.225101 AU
Observations Used545
Oppositions30
Arc Total1987-2026
First Observation Used1987-09-29
Last Observation Used2026-01-10
Observations (562)
Date Type RA Dec Mag Band Observatory
1987-09-29 07:39:59 00 53 48.54 +25 24 34.6 c 261
1987-09-29 08:35:00 00 53 44.40 +25 25 29.5 c 261
2004-09-14 08:38:03 C 03 09 12.90 +36 24 55.2 19.4 c 704
2004-09-14 08:54:18 C 03 09 14.21 +36 25 21.9 19.7 c 704
2004-09-14 09:10:35 C 03 09 15.67 +36 25 48.7 20.0 c 704
2004-09-14 09:26:53 C 03 09 16.97 +36 26 14.4 20.2 c 704
2004-09-14 09:43:09 C 03 09 18.37 +36 26 41.2 20.0 c 704
2004-09-15 01:48:31 C 03 10 42.72 +36 52 40.4 r J95
2004-09-15 01:56:28 C 03 10 43.45 +36 52 53.2 r J95
2004-09-15 02:04:23 C 03 10 44.09 +36 53 06.5 r J95
2004-09-15 05:27:19 C 03 11 02.50 +36 58 36.6 c G90
2004-09-15 05:34:05 C 03 11 03.05 +36 58 48.1 c G90
2004-09-15 05:40:51 C 03 11 03.65 +36 58 59.2 c G90
2004-09-15 07:22:08 C 03 11 12.43 +37 01 46.4 o H06
2004-09-15 07:26:13 C 03 11 12.74 +37 01 53.5 o H06
2004-09-15 07:30:17 C 03 11 13.11 +37 02 00.8 o H06
2004-09-15 08:45:10 C 03 11 19.64 +37 04 02.6 c 673
2004-09-15 08:48:09 C 03 11 19.89 +37 04 07.6 c 673
2004-09-15 08:50:20 C 03 11 20.13 +37 04 12.2 c 673
2004-09-15 08:58:19 C 03 11 20.80 +37 04 25.0 c 673
2004-09-15 09:31:20 C 03 11 23.49 +37 05 19.0 19.2 c 704
2004-09-15 09:42:24 C 03 11 24.43 +37 05 38.2 19.5 c 704
2004-09-15 09:48:13 C 03 11 24.93 +37 05 46.9 19.4 c 704
2004-09-15 10:00:01 C 03 11 25.93 +37 06 07.1 20.0 c 704
2004-09-15 10:04:59 C 03 11 26.39 +37 06 14.3 19.7 c 704
2004-09-15 10:17:43 C 03 11 27.42 +37 06 35.5 19.7 c 704
2004-09-15 10:35:41 C 03 11 28.97 +37 07 05.0 19.7 c 704
2004-09-15 10:38:32 C 03 11 29.19 +37 07 09.2 19.7 c 704
2004-09-15 10:52:57 C 03 11 30.44 +37 07 34.1 19.2 c 704
2004-09-16 09:36:22 C 03 13 32.28 +37 45 06.9 19.3 c 704
2004-09-16 09:44:42 C 03 13 33.03 +37 45 21.3 20.3 c 704
2004-09-16 09:54:10 C 03 13 33.85 +37 45 36.6 19.8 c 704
2004-09-16 10:01:17 C 03 13 34.50 +37 45 48.4 19.6 c 704
2004-09-16 10:11:46 C 03 13 35.25 +37 46 06.8 20.1 c 704
2004-09-16 10:34:28 C 03 13 37.35 +37 46 43.8 19.8 c 704
2004-09-16 10:46:25 C 03 13 38.39 +37 47 04.7 20.0 c 704
2004-09-17 08:02:17 C 03 15 34.57 +38 22 44.5 r 734
2004-09-17 08:07:35 C 03 15 35.15 +38 22 54.4 r 734
2004-09-17 08:12:40 C 03 15 35.58 +38 23 01.6 r 734
2004-09-17 08:17:37 C 03 15 35.96 +38 23 11.5 r 734
2004-09-17 09:01:58 C 03 15 40.23 +38 24 27.9 r G70
2004-09-17 09:21:32 C 03 15 41.99 +38 25 01.7 r G70
2004-09-17 09:41:02 C 03 15 43.63 +38 25 34.4 r G70
2004-09-21 01:17:03 C 03 24 05.19 +40 58 41.0 r J95
2004-09-21 01:24:53 C 03 24 05.99 +40 58 54.9 r J95
2004-09-21 01:38:26 C 03 24 07.33 +40 59 20.0 r J95
2004-09-21 08:44:01 C 03 24 49.63 +41 12 12.2 r 734
2004-09-21 08:54:17 C 03 24 50.61 +41 12 30.4 r 734
2004-09-21 08:59:28 C 03 24 51.13 +41 12 39.8 r 734
2004-10-04 03:48:22 C 04 02 13.11 +51 25 40.3 o 649