2021 AL1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5754731210
Semi-major axis (a)1.9894298306 AU
Inclination (i)0.19663906°
Long. of Asc. Node (Ω)58.91487450°
Arg. of Perihelion (ω)112.81406978°
Mean Anomaly (M)247.23561308°
Mean Motion (n)0.3513188100°/day
Perihelion dist (q)0.84456980 AU
Aphelion dist (Q)3.13373860 AU
Orbital Period2.80545090 yr
Physical Parameters
H (abs. magnitude)25.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.397″
Uncertainty
Orbit TypeApollo
MOID0.000630 AU
Observations Used66
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-01-17
Observations (69)
Date Type RA Dec Mag Band Observatory
2021-01-12 08:58:14 C 09 13 42.57 +20 35 02.4 o 691
2021-01-14 07:47:46 C 10 25 51.37 +16 15 07.9 V I52
2021-01-14 07:49:07 C 10 25 54.03 +16 14 56.1 V I52
2021-01-14 07:50:29 C 10 25 56.68 +16 14 44.4 V I52
2021-01-14 07:51:50 C 10 25 59.33 +16 14 32.5 V I52
2021-01-14 08:33:31 C 10 27 20.96 +16 08 26.6 V 703
2021-01-14 08:41:07 C 10 27 36.02 +16 07 19.3 V 703
2021-01-14 08:56:18 C 10 28 05.86 +16 05 03.3 V 703
2021-01-14 09:22:24 C 10 28 59.28 +16 01 01.4 U I41
2021-01-14 09:22:54 C 10 29 00.16 +16 00 57.2 U I41
2021-01-14 09:29:28 C 10 29 13.14 +15 59 58.9 U I41
2021-01-14 09:29:57 C 10 29 14.05 +15 59 54.2 U I41
2021-01-16 08:37:12 C 12 28 49.76 +05 01 32.0 V I52
2021-01-16 08:37:46 C 12 28 51.33 +05 01 21.8 V I52
2021-01-16 08:38:20 C 12 28 52.93 +05 01 12.3 V I52
2021-01-16 08:38:54 C 12 28 54.51 +05 01 01.8 V I52
2021-01-17 11:09:10 C 13 42 54.94 -02 55 29.9 V I52
2021-01-17 11:11:26 C 13 43 00.76 -02 56 08.8 V I52
2021-01-17 11:13:43 C 13 43 06.57 -02 56 47.4 V I52