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
2021-07-11 08:46:07 C 17 11 30.51 +44 17 57.4 V T08
2021-07-11 08:50:47 C 17 11 33.12 +44 14 20.8 V T08
2021-07-11 09:36:44 C 17 11 58.87 +43 38 23.6 V T08
2021-07-11 10:17:36 C 17 12 22.40 +43 05 32.5 V T08
2021-07-11 20:34:41 C 17 21 10.11 +33 21 50.2 V L01
2021-07-11 20:36:14 C 17 21 11.10 +33 20 09.0 V L01
2021-07-11 20:39:27 C 17 21 13.17 +33 16 38.9 V L01
2021-07-11 20:40:41 C 17 21 13.97 +33 15 17.9 V L01
2021-07-11 20:41:56 C 17 21 14.78 +33 13 56.3 V L01
2021-07-11 20:43:10 C 17 21 15.57 +33 12 35.1 V L01
2021-07-11 20:44:24 C 17 21 16.36 +33 11 14.5 V L01
2021-07-11 20:45:38 C 17 21 17.18 +33 09 52.7 V L01
2021-07-11 20:51:05 C 17 21 11.87 +33 03 08.5 V L18
2021-07-11 20:53:17 C 17 21 13.28 +33 00 42.6 V L18
2021-07-11 20:55:31 C 17 21 14.72 +32 58 14.4 V L18
2021-07-11 21:09:25 C 17 21 35.81 +32 42 47.9 V A17
2021-07-11 21:12:48 C 17 21 38.03 +32 39 03.6 V A17
2021-07-11 21:16:10 C 17 21 40.25 +32 35 19.5 V A17
2021-07-11 21:19:42 C 17 21 42.58 +32 31 22.4 V A17
2021-07-11 22:44:06 C 17 23 21.68 +31 07 58.5 X Y00
2021-07-11 22:44:37 C 17 22 37.36 +30 54 13.4 V 033
2021-07-11 22:45:02 C 17 22 37.64 +30 53 44.6 V 033
2021-07-11 22:45:27 C 17 22 37.92 +30 53 15.7 V 033
2021-07-11 22:45:45 C 17 23 22.70 +31 06 06.1 X Y00
2021-07-11 22:46:31 C 17 22 36.01 +30 52 58.7 V 595
2021-07-11 22:47:23 C 17 23 23.71 +31 04 14.4 X Y00
2021-07-11 22:48:23 C 17 22 37.26 +30 50 47.8 V 595
2021-07-11 22:50:15 C 17 22 38.51 +30 48 36.5 V 595
2021-07-11 22:52:08 C 17 22 39.76 +30 46 24.3 V 595
2021-07-12 02:17:03 C 17 25 08.69 +26 34 01.6 V K38
2021-07-12 02:21:50 C 17 25 12.43 +26 27 50.4 V K38
2021-07-12 02:24:12 C 17 25 14.29 +26 24 45.9 V K38
2021-07-12 04:40:30 C 17 28 03.40 +23 30 31.8 U I41
2021-07-12 04:41:00 C 17 28 03.68 +23 29 51.9 U I41
2021-07-12 04:54:33 C 17 28 12.74 +23 11 19.6 V 654
2021-07-12 06:11:12 C 17 29 00.97 +21 25 39.7 U I41
2021-07-12 06:11:41 C 17 29 01.24 +21 24 58.3 U I41
2021-07-12 06:28:54 C 17 28 51.70 +20 58 34.0 u H21
2021-07-12 06:32:31 C 17 29 15.20 +20 55 20.4 V 654
2021-07-12 06:32:46 C 17 28 54.37 +20 53 04.2 u H21
2021-07-12 06:35:08 C 17 28 56.01 +20 49 40.9 u H21
2021-07-12 06:36:19 C 17 28 56.84 +20 47 59.5 u H21
2021-07-12 06:38:42 C 17 28 58.48 +20 44 36.0 u H21
2021-07-12 06:41:01 C 17 29 00.13 +20 41 17.5 u H21
2021-07-12 07:14:05 C 17 29 41.22 +19 56 06.4 U I41
2021-07-12 07:14:35 C 17 29 41.52 +19 55 23.3 U I41
2021-07-12 07:40:54 C 17 29 59.52 +19 17 01.5 V 654
2021-07-12 08:23:53 C 17 30 27.31 +18 12 14.5 16.7 r 718
2021-07-12 08:24:32 C 17 30 27.80 +18 11 16.5 16.5 r 718
2021-07-12 08:25:10 C 17 30 28.22 +18 10 20.1 16.5 r 718