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
2004-10-04 03:50:55 C 04 02 13.46 +51 25 46.2 o 649
2004-10-04 03:53:29 C 04 02 13.90 +51 25 52.0 o 649
2004-10-16 21:02:11 C 05 06 26.04 +62 48 43.0 o J95
2004-10-16 21:07:19 C 05 06 27.56 +62 48 54.5 o J95
2004-10-16 21:13:07 C 05 06 29.16 +62 49 07.2 o J95
2004-10-23 10:49:59 C 06 04 30.47 +68 11 25.8 c 670
2004-10-23 10:54:35 C 06 04 32.59 +68 11 34.1 c 670
2004-10-25 17:31:37 C 06 31 12.33 +69 43 29.8 o 084
2004-10-30 20:46:34 C 07 45 00.51 +72 06 50.9 o 084
2004-11-02 10:36:40 C 08 27 14.97 +72 34 38.3 18.2 c 704
2004-11-02 10:54:07 C 08 27 26.99 +72 34 42.2 18.2 c 704
2004-11-02 11:11:33 C 08 27 38.90 +72 34 45.8 18.3 c 704
2004-11-14 17:15:07 C 11 19 21.99 +67 56 41.3 o 084
2004-11-26 01:40:18 C 12 36 24.68 +58 49 51.6 o 084
2004-11-26 15:25:11 C 12 38 57.84 +58 20 45.1 c F65
2004-11-26 15:26:31 C 12 38 58.07 +58 20 42.3 c F65
2004-11-26 15:27:57 C 12 38 58.32 +58 20 39.3 c F65
2004-11-28 02:17:51 C 12 45 00.60 +57 06 03.4 o 084
2004-12-13 22:27:08 C 13 26 57.24 +43 53 47.8 o 084
2004-12-31 03:58:55 C 13 46 40.42 +30 47 23.0 r 170
2004-12-31 04:00:28 C 13 46 40.46 +30 47 20.0 r 170
2004-12-31 04:02:25 C 13 46 40.50 +30 47 16.6 r 170
2005-01-11 04:27:46 C 13 51 19.02 +23 03 29.2 r 118
2005-01-11 04:34:32 C 13 51 19.07 +23 03 18.1 r 118
2005-01-11 04:36:14 C 13 51 19.07 +23 03 15.2 r 118
2005-01-11 04:45:29 C 13 51 19.10 +23 02 59.6 r 118
2005-01-11 04:47:10 C 13 51 19.10 +23 02 56.5 r 118
2005-01-23 11:07:29 C 13 49 18.97 +14 56 24.3 r H41
2005-01-23 11:10:07 C 13 49 18.83 +14 56 20.1 r H41
2005-01-23 11:12:47 C 13 49 18.80 +14 56 15.6 r H41
2005-02-06 01:25:08 C 13 36 48.65 +06 28 32.4 d A56
2005-02-06 01:28:12 C 13 36 48.38 +06 28 27.9 d A56
2005-02-06 01:32:45 C 13 36 48.16 +06 28 21.2 d A56
2005-02-06 01:57:56 C 13 36 46.64 +06 27 43.0 d A56
2005-02-06 02:05:19 C 13 36 46.15 +06 27 32.6 d A56
2005-02-10 00:42:08 C 13 30 50.95 +04 07 46.6 o 084
2005-02-10 00:46:47 C 13 30 50.62 +04 07 39.7 o 084
2005-02-27 02:29:28 C 12 54 29.43 -04 50 33.9 r A68
2005-02-27 02:32:31 C 12 54 29.09 -04 50 37.8 r A68
2005-02-27 02:36:09 C 12 54 28.70 -04 50 41.8 r A68
2005-03-03 01:47:15 C 12 44 20.33 -06 32 51.7 o 084
2005-03-03 01:51:54 C 12 44 19.80 -06 32 56.4 o 084
2005-03-03 10:11:38 C 12 43 25.84 -06 41 16.2 18.1 c 704
2005-03-03 10:28:56 C 12 43 23.91 -06 41 34.0 18.4 c 704
2005-03-03 10:45:35 C 12 43 22.05 -06 41 50.7 18.4 c 704
2005-03-04 06:25:47 C 12 41 14.46 -07 01 01.2 c 844
2005-03-04 06:35:22 C 12 41 13.40 -07 01 11.6 c 844
2005-03-04 06:55:10 C 12 41 11.18 -07 01 31.7 c 844
2005-03-04 07:06:00 C 12 41 09.88 -07 01 41.2 c 844
2005-03-04 07:17:35 C 12 41 08.63 -07 01 52.1 c 844