2021 MM1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3959720793 ± 1.94e-08
Semi-major axis (a)2.1363858716 AU ± 3.33e-09
Inclination (i)5.02570144° ± 3.15e-06
Long. of Asc. Node (Ω)259.63355530° ± 2.78e-05
Arg. of Perihelion (ω)31.63071576° ± 3.40e-05
Mean Anomaly (M)150.47573775° ± 9.84e-06
Mean Motion (n)0.3156405056°/day ± 7.37e-10
Perihelion dist (q)1.29043672 AU ± 4.15e-08
Aphelion dist (Q)2.98233503 AU ± 4.17e-08
Orbital Period3.12262294 yr ± 7.29e-09
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.154″
Uncertainty0
Orbit TypeAmor
MOID0.277004 AU
Observations Used61
Oppositions19
Arc Total1996-2024
First Observation Used1996-09-09
Last Observation Used2024-07-09
Observations (73)
Date Type RA Dec Mag Band Observatory
1996-09-09 03:06:11 C 21 45 44.29 +03 14 31.3 a 691
1996-09-09 03:36:21 C 21 45 44.53 +03 14 23.2 a 691
1996-09-09 04:06:19 C 21 45 44.68 +03 14 15.5 a 691
2018-09-07 08:04:47 C 02 27 50.953 +23 36 53.40 V W84
2021-05-14 13:39:01 C 20 52 34.214 -16 55 59.60 V F51
2021-05-14 13:54:04 C 20 52 36.143 -16 55 46.69 V F51
2021-05-14 14:08:58 C 20 52 38.139 -16 55 33.28 V F51
2021-06-18 13:51:57 C 22 32 39.770 -02 29 24.93 U F51
2021-06-18 14:02:33 C 22 32 40.791 -02 29 13.61 U F51
2021-06-18 14:13:08 C 22 32 41.792 -02 29 02.30 U F51
2021-06-18 14:23:44 C 22 32 42.807 -02 28 50.97 U F51
2021-06-19 13:13:06 C 22 34 58.656 -02 04 27.00 U F51
2021-06-19 13:26:38 C 22 34 59.956 -02 04 12.71 U F51
2021-06-19 13:40:22 C 22 35 01.230 -02 03 57.97 U F51
2021-06-19 13:55:13 C 22 35 02.644 -02 03 41.97 U F51
2021-06-21 08:54:50 C 22 39 12.95 -01 17 46.3 V 807
2021-06-21 08:57:57 C 22 39 13.23 -01 17 43.3 V 807
2021-06-21 09:01:20 C 22 39 13.55 -01 17 39.9 V 807
2021-06-27 10:37:02 C 22 52 33.32 +01 13 27.9 V 695
2021-06-27 10:47:34 C 22 52 34.20 +01 13 38.7 V 695
2021-06-27 10:58:07 C 22 52 35.07 +01 13 49.5 V 695
2021-07-14 07:21:06 C 23 22 01.84 +07 29 03.2 u H21
2021-07-14 07:27:33 C 23 22 02.19 +07 29 08.6 u H21
2021-07-14 07:38:02 C 23 22 02.75 +07 29 16.8 u H21
2021-07-19 07:36:14 C 23 28 20.57 +09 02 24.0 u H21
2021-07-19 07:44:43 C 23 28 20.94 +09 02 30.3 u H21
2021-08-01 06:41:39 C 23 38 54.92 +12 13 31.7 u H21
2021-08-01 06:52:48 C 23 38 55.13 +12 13 36.3 u H21
2021-08-01 07:01:55 C 23 38 55.27 +12 13 41.1 u H21
2021-08-02 07:15:48 C 23 39 22.54 +12 25 09.1 u H21
2021-08-02 07:24:34 C 23 39 22.65 +12 25 13.1 u H21
2021-08-02 07:46:46 C 23 39 22.97 +12 25 23.5 u H21
2021-08-03 07:32:18 C 23 39 46.68 +12 36 05.0 u H21
2021-08-03 07:42:26 C 23 39 46.79 +12 36 09.5 u H21
2021-08-03 07:55:57 C 23 39 46.93 +12 36 15.5 u H21
2021-09-07 07:58:01 C 23 27 01.75 +13 01 25.5 V G96
2021-09-07 08:02:12 C 23 27 01.60 +13 01 24.0 V G96
2021-09-07 08:06:29 C 23 27 01.42 +13 01 22.5 V G96
2021-09-10 09:09:36 C 23 24 40.088 +12 34 53.55 U F52
2021-09-10 09:23:31 C 23 24 39.573 +12 34 48.44 U F52
2021-09-10 09:51:19 C 23 24 38.553 +12 34 37.69 U F52
2021-09-26 03:12:02 C 23 14 42.51 +09 48 15.0 u H21
2021-09-26 03:23:43 C 23 14 42.26 +09 48 10.0 u H21
2021-09-26 03:37:24 C 23 14 41.97 +09 48 03.3 u H21
2021-10-02 11:05:54 C 23 12 33.699 +08 39 52.37 U F51
2021-10-02 11:18:44 C 23 12 33.524 +08 39 46.65 U F51
2021-10-02 11:31:23 C 23 12 33.381 +08 39 41.15 U F51
2021-10-02 11:43:59 C 23 12 33.219 +08 39 35.53 U F51
2024-05-01 07:30:04 C 15 31 42.658 -27 02 38.51 V I52
2024-05-01 07:45:44 C 15 31 42.348 -27 02 35.34 V I52