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
2025-12-27 05:58:32 C 22 31 42.959 +40 49 22.95 X F52
2025-12-28 05:31:27 C 22 32 59.736 +41 13 51.71 V T08
2025-12-28 05:45:18 C 22 33 00.449 +41 14 06.25 V T08
2025-12-28 05:53:14 C 22 33 00.871 +41 14 13.45 V T08
2025-12-28 06:13:05 C 22 33 01.906 +41 14 33.29 V T08
2026-01-02 11:24:39 C 22 40 57.75 +43 33 15.1 V D29
2026-01-02 11:38:34 C 22 40 58.70 +43 33 30.6 V D29
2026-01-02 11:55:49 C 22 40 59.85 +43 33 50.4 V D29
2026-01-10 05:46:30 C 22 57 00.247 +47 27 57.96 V T08
2026-01-10 05:54:28 C 22 57 01.018 +47 28 08.33 V T08
2026-01-10 06:03:01 C 22 57 01.891 +47 28 19.56 V T08
2026-01-10 06:20:48 C 22 57 03.648 +47 28 42.64 V T08