2021 EF1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5820541000
Semi-major axis (a)2.1139649000 AU
Inclination (i)1.19436000°
Long. of Asc. Node (Ω)170.14688000°
Arg. of Perihelion (ω)41.52203000°
Mean Anomaly (M)180.58683000°
Mean Motion (n)0.3206693200°/day
Perihelion dist (q)0.88352300 AU
Aphelion dist (Q)3.34440680 AU
Orbital Period3.07359510 yr
Physical Parameters
H (abs. magnitude)29.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.350″
Uncertainty6
Orbit TypeApollo
MOID0.001389 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-07
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-03-06 04:43:39 C 09 36 05.16 +05 20 59.2 V G96
2021-03-06 04:51:01 C 09 36 06.04 +05 19 53.3 V G96
2021-03-06 04:58:22 C 09 36 06.97 +05 18 48.1 V G96
2021-03-06 05:05:46 C 09 36 07.83 +05 17 42.9 V G96
2021-03-06 09:08:51 C 09 36 40.92 +04 37 46.7 V G96
2021-03-06 09:10:37 C 09 36 41.30 +04 37 27.9 V G96
2021-03-06 09:12:23 C 09 36 41.62 +04 37 08.7 V G96
2021-03-06 21:08:47 C 09 42 26.52 +01 39 39.1 V L01
2021-03-06 21:13:24 C 09 42 28.35 +01 38 06.7 V L01
2021-03-06 21:17:59 C 09 42 30.23 +01 36 32.9 V L01
2021-03-06 22:22:54 C 09 42 59.34 +01 12 46.4 V 033
2021-03-06 22:23:44 C 09 42 59.72 +01 12 28.2 V 033
2021-03-06 22:24:33 C 09 43 00.08 +01 12 10.3 V 033
2021-03-06 22:25:23 C 09 43 00.48 +01 11 52.1 V 033
2021-03-06 22:26:12 C 09 43 00.87 +01 11 33.8 V 033
2021-03-07 03:13:47 C 09 47 02.55 -00 48 37.2 u H21
2021-03-07 03:16:13 C 09 47 04.12 -00 49 50.5 u H21
2021-03-07 03:18:39 C 09 47 05.70 -00 51 03.9 u H21
2021-03-07 03:58:55 C 09 47 52.67 -01 10 43.1 q 858
2021-03-07 04:03:44 C 09 47 56.04 -01 13 16.2 q 858
2021-03-07 04:11:11 C 09 48 01.33 -01 17 16.1 q 858
2021-03-07 04:15:55 C 09 48 04.67 -01 19 49.8 q 858
2021-03-07 05:48:07 C 09 49 18.40 -02 12 08.7 V I52
2021-03-07 05:49:16 C 09 49 19.28 -02 12 50.5 V I52
2021-03-07 05:50:23 C 09 49 20.15 -02 13 32.3 V I52
2021-03-07 05:51:31 C 09 49 21.02 -02 14 13.6 V I52