IAA RAS IAA Minor Planet Database

2021 DM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3279107000
Semi-major axis (a)1.4289542000 AU
Inclination (i)14.68788000°
Long. of Asc. Node (Ω)334.66756000°
Arg. of Perihelion (ω)222.89507000°
Mean Anomaly (M)257.25183000°
Mean Motion (n)0.5770010500°/day
Perihelion dist (q)0.96038480 AU
Aphelion dist (Q)1.89752360 AU
Orbital Period1.70815570 yr
Physical Parameters
H (abs. magnitude)26.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.710″
Uncertainty7
Orbit TypeApollo
MOID0.031129 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-02-23
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-02-16 09:26:07 C 10 10 14.483 +41 53 28.20 – U F51
2021-02-16 09:41:18 C 10 10 11.099 +41 52 29.40 – U F51
2021-02-16 09:56:28 C 10 10 07.712 +41 51 30.65 – U F51
2021-02-16 10:11:43 C 10 10 04.318 +41 50 30.97 – U F51
2021-02-17 09:28:24 C 10 05 36.383 +40 10 11.02 – V 568
2021-02-17 09:29:49 C 10 05 36.040 +40 10 04.56 – V 568
2021-02-17 09:31:14 C 10 05 35.692 +40 09 58.12 – V 568
2021-02-17 09:32:44 C 10 05 35.325 +40 09 51.20 – V 568
2021-02-18 03:19:30 C 10 01 43.38 +38 39 52.6 – V 033
2021-02-18 03:22:06 C 10 01 42.79 +38 39 38.3 – V 033
2021-02-18 03:24:40 C 10 01 42.18 +38 39 23.9 – V 033
2021-02-21 08:20:10 C 09 42 11.64 +29 28 58.5 – V I52
2021-02-21 08:22:18 C 09 42 10.80 +29 28 38.0 – V I52
2021-02-21 08:26:35 C 09 42 09.42 +29 27 57.3 – V I52
2021-02-23 04:11:24 C 09 28 06.68 +21 09 28.8 – V I52
2021-02-23 04:13:01 C 09 28 06.06 +21 09 06.2 – V I52
2021-02-23 04:14:39 C 09 28 05.37 +21 08 45.0 – V I52
2021-02-23 04:16:16 C 09 28 04.70 +21 08 23.4 – V I52