2021 MS1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5833448000
Semi-major axis (a)1.9468140000 AU
Inclination (i)7.58702000°
Long. of Asc. Node (Ω)141.99794000°
Arg. of Perihelion (ω)54.73277000°
Mean Anomaly (M)241.42123000°
Mean Motion (n)0.3628418500°/day
Perihelion dist (q)0.81115020 AU
Aphelion dist (Q)3.08247780 AU
Orbital Period2.71635600 yr
Physical Parameters
H (abs. magnitude)22.16
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.820″
Uncertainty8
Orbit TypeApollo
MOID0.008741 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-07-10
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-06-27 04:56:43 C 14 34 25.51 +24 56 12.8 V G96
2021-06-27 05:21:00 C 14 34 35.89 +24 54 14.5 V G96
2021-06-28 05:28:25 C 14 44 53.63 +22 56 50.1 V G96
2021-06-28 05:36:32 C 14 44 56.88 +22 56 10.6 V G96
2021-06-28 05:44:39 C 14 45 00.14 +22 55 30.8 V G96
2021-06-28 05:52:45 C 14 45 03.41 +22 54 51.5 V G96
2021-06-28 06:20:57 C 14 45 14.82 +22 52 33.1 V I52
2021-06-28 06:24:01 C 14 45 16.05 +22 52 18.6 V I52
2021-06-28 06:27:05 C 14 45 17.31 +22 52 03.2 V I52
2021-06-28 21:17:58 C 14 51 19.85 +21 40 13.7 V L01
2021-06-28 21:22:20 C 14 51 21.56 +21 39 52.4 V L01
2021-06-28 21:25:27 C 14 51 22.73 +21 39 38.8 V L01
2021-06-28 22:36:30 C 14 51 52.72 +21 34 47.9 X Y00
2021-06-28 22:46:55 C 14 51 56.75 +21 33 57.9 X Y00
2021-06-28 22:57:01 C 14 52 00.61 +21 33 09.4 X Y00
2021-06-30 07:06:52 C 15 04 14.99 +18 59 53.7 V I52
2021-06-30 07:13:30 C 15 04 17.32 +18 59 21.4 V I52
2021-06-30 07:26:46 C 15 04 22.10 +18 58 19.5 V I52
2021-07-02 22:23:13 C 15 25 44.28 +14 14 51.3 V 033
2021-07-02 22:25:32 C 15 25 44.99 +14 14 41.2 V 033
2021-07-02 22:27:52 C 15 25 45.72 +14 14 31.0 V 033
2021-07-03 21:51:04 C 15 32 53.59 +12 35 34.9 V 033
2021-07-03 21:53:43 C 15 32 54.38 +12 35 23.8 V 033
2021-07-03 21:56:23 C 15 32 55.14 +12 35 12.7 V 033
2021-07-05 23:54:11 C 15 46 51.29 +09 16 38.5 V 033
2021-07-05 23:56:50 C 15 46 51.94 +09 16 28.4 V 033
2021-07-05 23:59:30 C 15 46 52.66 +09 16 18.4 V 033
2021-07-06 00:02:24 C 15 46 53.41 +09 16 06.6 V 033
2021-07-10 23:13:01 C 16 14 23.41 +02 33 50.3 V 033
2021-07-10 23:16:06 C 16 14 24.03 +02 33 41.1 V 033
2021-07-10 23:19:11 C 16 14 24.66 +02 33 32.2 V 033