2021 ML1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2456197426 ± 8.18e-06
Semi-major axis (a)1.3429025112 AU ± 1.44e-05
Inclination (i)4.06722499° ± 1.07e-04
Long. of Asc. Node (Ω)276.72967406° ± 6.16e-06
Arg. of Perihelion (ω)332.52762498° ± 1.94e-05
Mean Anomaly (M)313.58554936° ± 1.68e-02
Mean Motion (n)0.6333525847°/day ± 1.02e-05
Perihelion dist (q)1.01305914 AU ± 1.55e-05
Aphelion dist (Q)1.67274588 AU ± 2.11e-05
Orbital Period1.55620472 yr ± 2.51e-05
Physical Parameters
H (abs. magnitude)24.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.307″
Uncertainty2
Orbit TypeApollo
MOID0.012144 AU
Observations Used84
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-18
Last Observation Used2021-08-04
Observations (84)
Date Type RA Dec Mag Band Observatory
2021-06-30 21:34:42 C 17 53 48.49 -17 27 24.0 V G17
2021-06-30 21:38:00 C 17 53 50.96 -17 27 02.1 V G17
2021-07-03 01:46:50 C 18 29 37.86 -12 09 11.6 V G40
2021-07-03 01:56:16 C 18 29 42.48 -12 08 20.8 V G40
2021-07-03 02:16:14 C 18 29 52.27 -12 06 34.3 V G40
2021-07-03 22:57:21 C 18 40 54.98 -10 25 27.2 V 033
2021-07-03 22:57:45 C 18 40 55.16 -10 25 25.5 V 033
2021-07-03 22:58:10 C 18 40 55.34 -10 25 23.3 V 033
2021-07-04 02:12:40 C 18 42 40.87 -10 09 25.4 V W46
2021-07-04 02:43:28 C 18 42 54.06 -10 07 09.0 V W46
2021-07-04 03:05:29 C 18 43 03.26 -10 05 30.3 V W46
2021-07-05 03:58:38 C 18 53 58.63 -08 20 23.2 X W34
2021-07-05 04:13:17 C 18 54 03.64 -08 19 26.4 X W34
2021-07-05 04:29:32 C 18 54 09.20 -08 18 23.7 X W34
2021-07-05 21:33:04 C 19 00 42.59 -07 15 44.1 V 033
2021-07-05 21:33:28 C 19 00 42.71 -07 15 42.5 V 033
2021-07-05 21:33:53 C 19 00 42.85 -07 15 41.4 V 033
2021-07-05 23:18:07 C 19 01 15.93 -07 09 18.6 q 160
2021-07-05 23:22:26 C 19 01 17.24 -07 09 03.6 q 160
2021-07-05 23:28:01 C 19 01 18.95 -07 08 43.4 q 160
2021-07-07 21:00:04 C 19 15 43.58 -04 49 28.3 V K83
2021-07-07 21:05:48 C 19 15 44.93 -04 49 14.0 V K83
2021-07-07 21:11:45 C 19 15 46.28 -04 48 57.8 V K83
2021-07-07 21:16:37 C 19 15 46.59 -04 49 02.8 V 033
2021-07-07 21:17:02 C 19 15 46.68 -04 49 01.4 V 033
2021-07-07 21:17:29 C 19 15 46.78 -04 49 00.3 V 033
2021-07-07 22:12:59 C 19 15 57.45 -04 46 29.6 V L18
2021-07-07 22:18:59 C 19 15 58.82 -04 46 14.3 V L18
2021-07-07 22:24:59 C 19 16 00.17 -04 45 58.5 V L18
2021-07-07 22:30:59 C 19 16 01.54 -04 45 42.4 V L18
2021-08-04 10:25:59 C 20 15 46.082 +02 02 49.03 U F51
2021-08-04 10:42:01 C 20 15 46.286 +02 02 46.44 U F51
2021-08-04 10:58:06 C 20 15 46.492 +02 02 43.82 U F51
2021-08-04 11:14:22 C 20 15 46.698 +02 02 40.96 U F51