2021 MR1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8700264712 ± 2.38e-07
Semi-major axis (a)2.0395685015 AU ± 4.26e-08
Inclination (i)14.53955650° ± 4.66e-05
Long. of Asc. Node (Ω)238.02260747° ± 8.24e-05
Arg. of Perihelion (ω)165.35002980° ± 8.30e-05
Mean Anomaly (M)161.79768116° ± 1.61e-05
Mean Motion (n)0.3383801135°/day ± 1.06e-08
Perihelion dist (q)0.26508992 AU ± 4.86e-07
Aphelion dist (Q)3.81404709 AU ± 4.93e-07
Orbital Period2.91277839 yr ± 9.13e-08
Physical Parameters
H (abs. magnitude)20.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.161811 AU
Observations Used72
Oppositions6
Arc Total2015-2024
First Observation Used2015-06-16
Last Observation Used2024-06-01
Observations (73)
Date Type RA Dec Mag Band Observatory
2021-07-02 22:20:28 C 15 29 35.42 +04 23 48.1 V 033
2021-07-03 21:21:26 C 15 23 27.67 +05 02 27.8 V 033
2021-07-03 21:23:11 C 15 23 27.17 +05 02 30.9 V 033
2021-07-03 21:24:55 C 15 23 26.68 +05 02 33.9 V 033
2021-07-04 07:19:58 C 15 20 47.377 +05 19 20.87 U F51
2021-07-04 07:37:27 C 15 20 42.549 +05 19 50.22 U F51
2021-07-04 07:54:49 C 15 20 37.811 +05 20 19.12 U F51
2021-07-04 08:12:09 C 15 20 33.055 +05 20 48.00 U F51
2021-07-05 02:14:14 C 15 15 41.52 +05 51 15.5 W84
2021-07-05 02:17:49 C 15 15 40.53 +05 51 21.5 W84
2021-07-05 02:21:22 C 15 15 39.55 +05 51 27.3 W84
2021-07-05 02:24:56 C 15 15 38.58 +05 51 33.2 W84
2021-07-05 02:28:29 C 15 15 37.60 +05 51 39.3 W84
2021-07-08 08:35:09 C 14 54 19.962 +07 59 49.02 U F51
2021-07-08 08:51:51 C 14 54 15.311 +08 00 15.81 U F51
2021-07-08 09:25:21 C 14 54 05.939 +08 01 09.89 U F51
2021-07-12 05:21:40 C 14 28 51.75 +10 24 48.7 o 291
2021-07-12 05:24:33 C 14 28 50.95 +10 24 53.1 o 291
2021-07-12 05:27:27 C 14 28 50.14 +10 24 57.4 o 291
2021-07-12 05:30:20 C 14 28 49.35 +10 25 01.9 o 291
2024-06-01 10:10:06 C 20 22 22.825 +02 13 58.33 V I52
2024-06-01 10:11:39 C 20 22 23.023 +02 14 02.51 V I52
2024-06-01 10:13:12 C 20 22 23.210 +02 14 07.15 V I52