IAA RAS IAA Minor Planet Database

2021 NM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5105686000
Semi-major axis (a)0.9463920000 AU
Inclination (i)2.13875000°
Long. of Asc. Node (Ω)273.55692000°
Arg. of Perihelion (ω)236.18248000°
Mean Anomaly (M)347.87659000°
Mean Motion (n)1.0705266200°/day
Perihelion dist (q)0.46319400 AU
Aphelion dist (Q)1.42959000 AU
Orbital Period0.92067550 yr
Physical Parameters
H (abs. magnitude)26.23
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.720″
Uncertainty7
Orbit TypeAten
MOID0.002587 AU
Observations Used15
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-07-06
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-07-04 08:29:51 C 16 21 14.442 -15 12 42.75 – U F51
2021-07-04 08:46:56 C 16 21 20.934 -15 13 22.56 – U F51
2021-07-04 09:21:09 C 16 21 33.797 -15 14 39.83 – U F51
2021-07-05 06:18:55 C 16 29 25.795 -15 55 48.71 – V 568
2021-07-05 06:20:20 C 16 29 26.181 -15 55 51.13 – V 568
2021-07-05 06:21:46 C 16 29 26.572 -15 55 53.64 – V 568
2021-07-05 06:23:10 C 16 29 26.964 -15 55 56.13 – V 568
2021-07-05 09:31:16 C 16 30 17.041 -16 01 04.96 – V F51
2021-07-05 09:49:38 C 16 30 21.891 -16 01 32.55 – V F51
2021-07-05 09:58:53 C 16 30 24.246 -16 01 46.31 – V F51
2021-07-05 23:08:54 C 16 34 13.70 -16 19 12.9 – X Y00
2021-07-05 23:26:21 C 16 34 17.52 -16 19 36.4 – X Y00
2021-07-05 23:43:43 C 16 34 21.30 -16 20 00.3 – X Y00
2021-07-06 04:17:27 C 16 35 25.80 -16 28 02.6 – u H21
2021-07-06 04:21:50 C 16 35 26.72 -16 28 08.0 – u H21
2021-07-06 04:30:36 C 16 35 28.57 -16 28 18.7 – u H21
2021-07-06 04:39:39 C 16 35 30.49 -16 28 29.6 – u H21