2021 MS

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8047079000
Semi-major axis (a)2.6966497000 AU
Inclination (i)4.42638000°
Long. of Asc. Node (Ω)88.34896000°
Arg. of Perihelion (ω)282.38575000°
Mean Anomaly (M)346.94830000°
Mean Motion (n)0.2225703300°/day
Perihelion dist (q)0.52663440 AU
Aphelion dist (Q)4.86666500 AU
Orbital Period4.42829760 yr
Physical Parameters
H (abs. magnitude)23.89
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual1.020″
Uncertainty8
Orbit TypeApollo
MOID0.010456 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-06-29
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-06-17 10:05:27 C 17 27 27.692 -21 48 56.58 U F51
2021-06-17 10:17:49 C 17 27 24.923 -21 49 02.34 U F51
2021-06-17 10:30:10 C 17 27 22.112 -21 49 07.66 U F51
2021-06-17 10:42:29 C 17 27 19.317 -21 49 13.29 U F51
2021-06-18 01:54:30 C 17 23 58.65 -21 55 37.5 V 807
2021-06-18 02:00:08 C 17 23 57.26 -21 55 39.7 V 807
2021-06-18 02:05:47 C 17 23 55.88 -21 55 42.9 V 807
2021-06-18 04:59:43 C 17 23 14.38 -21 57 56.5 q 858
2021-06-18 05:17:07 C 17 23 10.07 -21 58 05.8 q 858
2021-06-18 05:34:40 C 17 23 05.63 -21 58 14.9 q 858
2021-06-18 10:38:31 C 17 21 50.407 -22 00 37.59 V 568
2021-06-18 10:39:55 C 17 21 50.039 -22 00 38.28 V 568
2021-06-18 10:41:21 C 17 21 49.672 -22 00 39.10 V 568
2021-06-20 03:15:38 C 17 10 20.38 -22 21 47.0 V 807
2021-06-20 03:19:48 C 17 10 18.99 -22 21 49.9 V 807
2021-06-20 03:24:28 C 17 10 17.37 -22 21 52.1 V 807
2021-06-21 02:55:16 C 17 01 55.07 -22 35 55.4 V 807
2021-06-21 03:07:11 C 17 01 50.23 -22 36 02.7 V 807
2021-06-21 03:13:09 C 17 01 47.80 -22 36 06.1 V 807
2021-06-27 04:17:02 C 15 03 17.91 -23 01 46.8 V I52
2021-06-27 04:22:15 C 15 03 09.53 -23 01 36.8 V I52
2021-06-27 04:27:27 C 15 03 01.17 -23 01 26.9 V I52
2021-06-28 04:43:59 C 14 19 52.37 -21 47 20.1 V I52
2021-06-28 04:45:42 C 14 19 48.92 -21 47 12.8 V I52
2021-06-28 04:47:25 C 14 19 45.45 -21 47 05.0 V I52
2021-06-28 04:49:07 C 14 19 41.98 -21 46 56.9 V I52
2021-06-29 01:29:07 S 13 35 15.226 -19 41 58.49 L C51
2021-06-29 01:29:18 S 13 35 14.791 -19 41 59.78 L C51