2021 NM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2111525000
Semi-major axis (a)1.2218531000 AU
Inclination (i)20.89311000°
Long. of Asc. Node (Ω)110.70485000°
Arg. of Perihelion (ω)130.68982000°
Mean Anomaly (M)114.41747000°
Mean Motion (n)0.7297524400°/day
Perihelion dist (q)0.96385580 AU
Aphelion dist (Q)1.47985040 AU
Orbital Period1.35060540 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty6
Orbit TypeApollo
MOID0.007458 AU
Observations Used64
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-07-17
Observations (70)
Date Type RA Dec Mag Band Observatory
2021-07-12 08:30:52 C 17 30 33.11 +18 03 28.8 V 654
2021-07-12 19:23:55 C 17 40 38.22 +00 32 54.6 V 089
2021-07-12 19:27:02 C 17 40 40.45 +00 27 38.8 V 089
2021-07-12 19:30:08 C 17 40 42.64 +00 22 24.0 V 089
2021-07-12 19:33:14 C 17 40 44.83 +00 17 09.9 V 089
2021-07-12 19:36:20 C 17 40 47.04 +00 11 55.5 V 089
2021-07-12 19:39:26 C 17 40 49.21 +00 06 40.6 V 089
2021-07-12 19:42:32 C 17 40 51.42 +00 01 25.4 V 089
2021-07-12 19:45:38 C 17 40 53.60 -00 03 48.5 V 089
2021-07-12 19:48:44 C 17 40 55.82 -00 09 04.2 V 089
2021-07-12 19:51:50 C 17 40 58.03 -00 14 19.0 V 089
2021-07-15 05:08:51 C 18 35 19.84 -60 56 22.9 u 807
2021-07-15 05:11:45 C 18 35 22.12 -60 57 37.5 u 807
2021-07-15 05:17:21 C 18 35 26.56 -61 00 01.3 u 807
2021-07-15 05:56:51 C 18 35 58.94 -61 16 18.6 V W88
2021-07-15 06:14:29 C 18 36 13.48 -61 23 35.1 V W88
2021-07-15 06:25:47 C 18 36 22.90 -61 28 13.2 V W88
2021-07-17 02:49:19 C 19 22 54.56 -72 51 47.6 V 807
2021-07-17 02:51:35 C 19 22 56.46 -72 52 09.1 V 807
2021-07-17 02:54:04 C 19 22 58.50 -72 52 32.1 V 807