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
2025-09-28 13:36:00 C 00 19 01.776 +19 19 44.40 V P07
2025-09-28 15:07:38 C 00 18 53.520 +19 20 49.52 V P07
2025-09-28 16:20:52 C 00 18 46.951 +19 21 41.44 V P07
2025-09-28 17:49:59 C 00 18 38.909 +19 22 44.36 V P07
2025-09-28 19:00:58 C 00 18 32.530 +19 23 33.68 V P07
2025-09-28 19:02:50 C 00 18 32.381 +19 23 34.91 V P07
2025-09-29 08:21:20 C 00 17 22.837 +19 32 51.61 V 703
2025-09-29 08:24:40 C 00 17 22.456 +19 32 53.41 V 703
2025-09-29 08:27:59 C 00 17 22.214 +19 32 55.61 V 703
2025-09-29 08:31:19 C 00 17 21.793 +19 32 59.42 V 703
2025-09-30 05:59:47 C 00 15 27.479 +19 48 10.19 V 703
2025-09-30 06:03:03 C 00 15 27.119 +19 48 11.63 V 703
2025-09-30 06:06:21 C 00 15 26.899 +19 48 14.80 V 703
2025-09-30 06:09:37 C 00 15 26.500 +19 48 16.67 V 703
2025-09-30 10:11:37 C 00 15 04.469 +19 51 10.15 V T05
2025-09-30 10:16:12 C 00 15 04.022 +19 51 13.68 V T05
2025-09-30 11:02:55 C 00 14 59.587 +19 51 46.98 V T05
2025-09-30 11:10:33 C 00 14 58.985 +19 51 51.98 V T05
2025-09-30 18:23:31 C 00 14 19.29 +19 56 54.2 V D29
2025-09-30 18:43:53 C 00 14 17.40 +19 57 07.9 V D29
2025-09-30 19:04:14 C 00 14 15.50 +19 57 22.7 V D29
2025-10-01 07:15:28 C 00 13 08.864 +20 05 58.96 V V00
2025-10-01 07:23:32 C 00 13 08.090 +20 06 04.64 V V00
2025-10-01 07:31:35 C 00 13 07.320 +20 06 10.26 V V00
2025-10-01 07:39:38 C 00 13 06.546 +20 06 15.91 V V00
2025-10-01 11:01:21 C 00 12 47.794 +20 08 40.49 V T05
2025-10-01 11:05:55 C 00 12 47.362 +20 08 43.37 V T05
2025-10-01 11:13:18 C 00 12 46.639 +20 08 48.34 V T05
2025-10-01 11:28:19 C 00 12 45.202 +20 08 59.03 V T05
2025-10-01 22:39:40 B 00 11 43.068 +20 16 45.08 q Y84
2025-10-01 22:44:04 B 00 11 42.653 +20 16 48.32 q Y84
2025-10-01 22:48:24 B 00 11 42.218 +20 16 51.46 q Y84
2025-10-02 06:12:22 C 00 11 00.517 +20 22 06.06 V 703
2025-10-02 06:15:39 C 00 11 00.114 +20 22 08.98 V 703
2025-10-02 06:18:55 C 00 10 59.927 +20 22 10.38 V 703
2025-10-02 06:22:11 C 00 10 59.567 +20 22 13.01 V 703
2025-10-04 07:57:39 C 00 06 13.161 +20 56 47.87 X F51
2025-10-04 08:12:43 C 00 06 11.628 +20 56 58.28 X F51
2025-10-04 08:28:04 C 00 06 10.063 +20 57 09.05 X F51
2025-10-04 09:43:17 C 00 06 02.345 +20 58 01.49 V T08
2025-10-04 09:50:34 C 00 06 01.608 +20 58 06.85 V T08
2025-10-04 09:54:37 C 00 06 01.222 +20 58 09.26 V T08
2025-10-04 10:49:58 C 00 05 55.519 +20 58 47.53 V T08
2025-10-09 10:11:47 C 23 53 41.267 +22 19 30.90 X F51
2025-10-09 10:24:10 C 23 53 39.903 +22 19 38.99 X F51
2025-10-09 10:36:27 C 23 53 38.554 +22 19 46.97 X F51
2025-10-09 10:48:44 C 23 53 37.206 +22 19 54.90 X F51
2025-10-10 11:12:30 C 23 51 00.900 +22 35 51.84 X F51
2025-10-10 11:26:39 C 23 50 59.334 +22 36 00.87 X F51
2025-10-10 11:40:40 C 23 50 57.787 +22 36 09.76 X F51