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
2015-06-16 08:45:17 C 15 46 06.957 -14 44 27.29 V F51
2015-06-16 09:06:28 C 15 46 05.078 -14 44 18.76 V F51
2015-06-16 09:27:31 C 15 46 03.175 -14 44 09.91 V F51
2015-06-16 09:48:41 C 15 46 01.295 -14 44 00.85 V F51
2018-06-08 09:52:25 C 16 30 13.006 -14 15 34.40 V F51
2018-06-08 10:10:20 C 16 30 10.958 -14 15 25.37 V F51
2018-06-08 10:28:17 C 16 30 08.938 -14 15 15.42 V F51
2018-06-08 10:46:12 C 16 30 06.909 -14 15 06.38 V F51
2018-06-15 09:17:52 C 16 11 07.408 -12 45 33.41 V F51
2018-06-15 09:34:52 C 16 11 05.377 -12 45 23.98 V F51
2018-06-15 09:51:49 C 16 11 03.355 -12 45 14.41 V F51
2018-06-18 07:53:27 C 16 02 52.399 -12 05 52.43 V F51
2018-07-03 07:13:03 C 15 22 30.101 -08 45 12.17 V F52
2018-07-03 07:27:19 C 15 22 28.560 -08 45 04.70 V F52
2018-07-03 07:41:31 C 15 22 27.071 -08 44 57.54 V F52
2018-07-13 06:24:15 C 15 00 00.379 -06 49 38.73 V F51
2018-07-13 06:58:47 C 14 59 57.412 -06 49 23.37 V F51
2018-07-13 07:16:03 C 14 59 55.906 -06 49 16.10 V F51
2021-06-13 07:53:18 C 17 12 43.38 -07 12 34.1 V G96
2021-06-13 08:00:58 C 17 12 42.09 -07 12 24.9 V G96
2021-06-27 06:26:18 C 16 04 18.836 +00 37 57.93 U F51
2021-06-27 06:42:14 C 16 04 14.877 +00 38 23.86 U F51
2021-06-27 06:58:10 C 16 04 10.914 +00 38 49.70 U F51
2021-06-27 07:14:09 C 16 04 06.932 +00 39 15.72 U F51
2021-06-27 09:29:21 C 16 03 33.253 +00 42 55.15 V F51
2021-06-27 09:30:17 C 16 03 33.014 +00 42 56.72 V F51
2021-06-27 21:51:17 C 16 00 31.28 +01 02 57.6 V L01
2021-06-27 21:53:46 C 16 00 30.68 +01 03 02.1 V L01
2021-06-27 21:56:16 C 16 00 30.00 +01 03 06.4 V L01
2021-06-27 21:59:23 C 16 00 29.19 +01 03 11.4 V L01
2021-06-27 22:02:12 C 16 00 28.53 +01 03 16.4 V L01
2021-06-27 22:05:38 C 16 00 27.67 +01 03 22.1 V L01
2021-06-27 23:15:40 C 16 00 11.14 +01 05 37.5 X Y00
2021-06-27 23:27:58 C 16 00 08.05 +01 05 58.0 X Y00
2021-06-27 23:40:25 C 16 00 04.90 +01 06 18.6 X Y00
2021-06-28 04:46:40 C 15 58 48.91 +01 14 23.0 V 291
2021-06-28 04:48:48 C 15 58 48.38 +01 14 26.2 V 291
2021-06-28 04:50:55 C 15 58 47.82 +01 14 29.9 V 291
2021-06-28 06:59:05 C 15 58 15.41 +01 18 00.6 V I52
2021-06-28 20:31:12 C 15 54 53.29 +01 40 14.2 V 595
2021-06-28 21:01:12 C 15 54 45.69 +01 41 04.2 V 595
2021-06-29 03:47:47 C 15 53 03.35 +01 52 18.6 u H21
2021-06-29 03:53:50 C 15 53 01.81 +01 52 28.6 u H21
2021-06-29 03:57:43 C 15 53 00.79 +01 52 35.6 u H21
2021-06-29 07:44:08 C 15 52 03.859 +01 58 56.02 V F51
2021-06-29 08:02:14 C 15 51 59.186 +01 59 26.03 V F51
2021-06-29 08:21:05 C 15 51 54.318 +01 59 57.33 V F51
2021-07-02 22:15:14 C 15 29 36.86 +04 23 39.0 V 033
2021-07-02 22:16:58 C 15 29 36.37 +04 23 42.2 V 033
2021-07-02 22:18:43 C 15 29 35.90 +04 23 45.0 V 033