2021 AM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4267154000
Semi-major axis (a)1.6497182000 AU
Inclination (i)3.12755000°
Long. of Asc. Node (Ω)289.76045000°
Arg. of Perihelion (ω)143.42406000°
Mean Anomaly (M)120.29705000°
Mean Motion (n)0.4651461300°/day
Perihelion dist (q)0.94575800 AU
Aphelion dist (Q)2.35367840 AU
Orbital Period2.11892040 yr
Physical Parameters
H (abs. magnitude)27.01
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.810″
Uncertainty7
Orbit TypeApollo
MOID0.006326 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-17
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-01-06 09:30:00 C 10 05 43.92 +24 32 24.4 V 703
2021-01-06 09:52:26 C 10 05 29.65 +24 26 06.8 V 703
2021-01-10 09:38:53 C 09 44 01.67 +11 18 09.2 V G96
2021-01-10 09:46:19 C 09 44 00.35 +11 17 40.5 V G96
2021-01-10 09:53:44 C 09 43 59.07 +11 17 11.7 V G96
2021-01-10 10:01:10 C 09 43 57.77 +11 16 43.0 V G96
2021-01-10 11:47:42 C 09 43 39.51 +11 09 48.1 V I52
2021-01-10 11:49:31 C 09 43 39.19 +11 09 41.2 V I52
2021-01-10 11:51:20 C 09 43 38.92 +11 09 33.5 V I52
2021-01-10 11:53:09 C 09 43 38.61 +11 09 26.9 V I52
2021-01-10 23:04:03 C 09 42 47.45 +10 28 44.2 V L01
2021-01-10 23:09:04 C 09 42 46.69 +10 28 27.2 V L01
2021-01-10 23:19:07 C 09 42 45.33 +10 27 54.7 V L01
2021-01-10 23:23:59 C 09 42 44.62 +10 27 38.7 V L01
2021-01-11 07:39:54 C 09 42 00.64 +10 02 02.1 V V06
2021-01-11 07:43:06 C 09 42 00.12 +10 01 51.7 V V06
2021-01-11 07:46:18 C 09 41 59.72 +10 01 42.9 V V06
2021-01-11 07:49:30 C 09 41 59.30 +10 01 33.5 V V06
2021-01-12 07:13:25 C 09 40 08.16 +08 57 47.0 V V06
2021-01-12 07:15:58 C 09 40 07.85 +08 57 41.0 V V06
2021-01-12 07:18:32 C 09 40 07.54 +08 57 34.7 V V06
2021-01-12 07:21:05 C 09 40 07.26 +08 57 28.8 V V06
2021-01-12 12:21:12 C 09 39 30.50 +08 45 37.7 V I52
2021-01-12 12:26:03 C 09 39 30.03 +08 45 24.4 V I52
2021-01-12 12:30:53 C 09 39 29.53 +08 45 12.4 V I52
2021-01-14 10:27:08 C 09 36 47.15 +07 18 20.2 o 691
2021-01-14 11:00:10 C 09 36 44.00 +07 17 28.4 o 691
2021-01-17 10:06:48 C 09 33 30.05 +05 53 22.6 V V06
2021-01-17 10:14:47 C 09 33 29.44 +05 53 15.8 V V06
2021-01-17 10:22:46 C 09 33 28.87 +05 53 08.5 V V06