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
2005-03-05 00:58:55 C 12 39 13.73 -07 19 24.0 o 084
2005-03-07 07:35:36 C 12 33 18.58 -08 09 35.1 18.1 c 704
2005-03-07 07:52:01 C 12 33 16.72 -08 09 49.4 18.1 c 704
2005-03-07 08:09:18 C 12 33 14.75 -08 10 04.6 18.2 c 704
2005-03-07 08:25:44 C 12 33 12.90 -08 10 19.6 18.0 c 704
2005-03-07 08:42:08 C 12 33 11.06 -08 10 33.9 18.3 c 704
2005-03-08 08:46:13 C 12 30 34.54 -08 31 26.2 r H45
2005-03-08 08:56:19 C 12 30 33.26 -08 31 34.1 r H45
2005-03-08 09:01:23 C 12 30 32.71 -08 31 38.8 r H45
2005-03-08 09:03:53 C 12 30 32.49 -08 31 41.1 r H45
2005-03-11 08:21:48 C 12 22 54.86 -09 29 00.3 o 699
2005-03-11 08:46:20 C 12 22 52.15 -09 29 18.7 o 699
2005-03-11 09:10:56 C 12 22 49.44 -09 29 37.1 o 699
2005-03-11 09:35:28 C 12 22 46.74 -09 29 55.5 o 699
2005-03-12 06:53:43 C 12 20 32.41 -09 45 43.4 r H45
2005-03-12 07:07:07 C 12 20 31.03 -09 45 54.7 r H45
2005-03-12 07:10:17 C 12 20 30.68 -09 45 57.0 r H45
2005-03-12 07:14:08 C 12 20 30.26 -09 45 58.1 r H45
2005-03-13 05:13:36 C 12 18 13.27 -10 01 39.0 r 927
2005-03-13 05:52:55 C 12 18 08.85 -10 02 07.2 r 927
2005-03-13 06:32:12 C 12 18 04.59 -10 02 35.2 r 927
2005-03-15 23:58:45 C 12 11 25.19 -10 45 29.7 o 084
2005-03-17 09:26:11 C 12 08 07.74 -11 05 18.2 18.1 c 704
2005-03-17 09:41:29 C 12 08 06.24 -11 05 26.9 18.0 c 704
2005-03-17 09:56:46 C 12 08 04.72 -11 05 35.4 18.0 c 704
2005-03-17 10:12:04 C 12 08 03.15 -11 05 43.5 18.3 c 704
2005-03-17 10:27:23 C 12 08 01.63 -11 05 52.8 18.3 c 704
2005-03-21 23:13:50 C 11 57 59.85 -12 01 26.9 o 084
2005-03-31 06:50:12 C 11 41 03.16 -13 18 55.3 r H45
2005-04-03 05:45:29 C 11 36 49.03 -13 35 26.2 18.8 c 704
2005-04-03 06:00:56 C 11 36 48.13 -13 35 29.7 18.7 c 704
2005-04-03 06:17:35 C 11 36 47.14 -13 35 33.4 19.0 c 704
2005-04-03 06:33:12 C 11 36 46.24 -13 35 36.2 19.4 c 704
2005-04-04 05:35:51 C 11 35 30.90 -13 40 16.7 18.7 c 704
2005-04-04 05:50:53 C 11 35 30.04 -13 40 20.9 19.1 c 704
2005-04-04 06:05:54 C 11 35 29.14 -13 40 23.1 18.9 c 704
2005-04-04 06:21:29 C 11 35 28.33 -13 40 26.6 18.7 c 704
2005-04-04 06:36:44 C 11 35 27.51 -13 40 30.0 18.6 c 704
2005-04-13 13:45:42 C 11 26 14.57 -14 13 24.0 r E12
2005-04-13 14:02:36 C 11 26 14.07 -14 13 25.6 r E12
2005-04-13 14:19:32 C 11 26 13.53 -14 13 27.7 r E12
2005-04-13 14:36:24 C 11 26 13.02 -14 13 29.1 r E12
2005-04-26 09:42:16 C 11 21 20.63 -14 40 24.2 o F65
2005-04-26 09:44:08 C 11 21 20.62 -14 40 24.1 o F65
2005-04-26 09:45:57 C 11 21 20.60 -14 40 24.3 o F65
2008-09-20 05:55:07 C 22 57 05.76 -07 14 50.6 r G96
2008-09-20 06:04:38 C 22 57 05.14 -07 14 50.1 r G96
2008-09-20 06:14:22 C 22 57 04.42 -07 14 50.2 r G96
2008-09-20 06:23:51 C 22 57 03.70 -07 14 49.7 r G96
2008-10-02 02:42:51 C 22 37 46.09 -06 55 27.0 o 691