2021 EF3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2300997599 ± 1.47e-05
Semi-major axis (a)1.2795649295 AU ± 2.40e-05
Inclination (i)1.84217337° ± 1.09e-04
Long. of Asc. Node (Ω)164.37262589° ± 1.20e-05
Arg. of Perihelion (ω)341.09623271° ± 1.08e-04
Mean Anomaly (M)103.58494431° ± 3.37e-02
Mean Motion (n)0.6809555810°/day ± 1.92e-05
Perihelion dist (q)0.98513735 AU ± 2.64e-05
Aphelion dist (Q)1.57399251 AU ± 3.50e-05
Orbital Period1.44741641 yr ± 4.08e-05
Physical Parameters
H (abs. magnitude)29.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.208″
Uncertainty2
Orbit TypeApollo
MOID0.002004 AU
Observations Used39
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-10
Last Observation Used2021-04-15
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-03-10 05:13:19 C 09 20 29.32 +32 10 36.4 V G96
2021-03-10 05:21:35 C 09 20 48.17 +32 10 23.5 V G96
2021-03-10 05:29:56 C 09 21 07.37 +32 10 08.5 V G96
2021-03-10 05:38:07 C 09 21 26.20 +32 09 54.7 V G96
2021-03-10 06:22:25 C 09 23 07.02 +32 08 24.4 V G96
2021-03-10 06:23:10 C 09 23 08.73 +32 08 22.6 V G96
2021-03-10 06:23:56 C 09 23 10.46 +32 08 21.0 V G96
2021-03-10 06:24:41 C 09 23 12.20 +32 08 18.9 V G96
2021-03-10 06:38:50 C 09 23 44.42 +32 07 45.5 V I52
2021-03-10 06:41:33 C 09 23 50.66 +32 07 39.2 V I52
2021-03-10 06:44:17 C 09 23 56.88 +32 07 32.2 V I52
2021-03-10 08:40:24 C 09 28 24.29 +32 01 39.3 V I52
2021-03-10 08:43:07 C 09 28 30.63 +32 01 28.9 V I52
2021-03-10 08:45:50 C 09 28 36.96 +32 01 19.7 V I52
2021-03-10 19:14:54 C 09 55 33.42 +31 24 57.8 V L01
2021-03-10 19:17:11 C 09 55 38.53 +31 24 50.1 V L01
2021-03-10 19:18:54 C 09 55 42.32 +31 24 45.3 V L01
2021-03-10 19:21:21 C 09 55 47.73 +31 24 36.5 V L01
2021-03-10 19:23:16 C 09 55 52.06 +31 24 31.1 V L01
2021-03-10 20:56:55 C 09 59 19.11 +31 19 02.9 V K63
2021-03-10 21:05:44 C 09 59 38.01 +31 18 29.2 V K63
2021-03-10 21:10:54 C 09 59 49.07 +31 18 08.7 V K63
2021-03-13 20:44:00 C 12 03 14.03 +23 25 35.1 V 033
2021-03-13 20:45:04 C 12 03 15.13 +23 25 28.6 V 033
2021-03-13 20:46:09 C 12 03 16.26 +23 25 22.1 V 033
2021-03-13 20:47:14 C 12 03 17.39 +23 25 15.5 V 033
2021-03-16 02:55:06 C 12 49 26.775 +18 18 54.91 V J04
2021-03-16 03:07:11 C 12 49 32.870 +18 17 55.18 V J04
2021-03-16 03:19:42 C 12 49 39.136 +18 16 53.94 V J04
2021-03-17 04:09:30 C 13 03 37.910 +16 27 53.93 V J04
2021-03-17 04:29:20 C 13 03 45.675 +16 26 29.75 V J04
2021-03-17 04:49:39 C 13 03 53.697 +16 25 02.76 V J04
2021-03-18 05:33:13 C 13 15 32.04 +14 53 25.5 V 291
2021-03-18 05:47:36 C 13 15 36.78 +14 52 41.3 V 291
2021-03-18 06:02:13 C 13 15 41.47 +14 51 56.1 V 291
2021-03-19 06:57:39 C 13 24 33.40 +13 34 47.5 V 291
2021-03-19 07:16:51 C 13 24 37.96 +13 33 55.2 V 291
2021-03-19 07:36:02 C 13 24 42.46 +13 33 03.3 V 291
2021-04-08 06:55:12 C 14 10 18.173 +04 26 02.71 V G37
2021-04-08 07:04:54 C 14 10 18.008 +04 25 57.73 V G37
2021-04-08 07:14:45 C 14 10 17.846 +04 25 52.82 V G37
2021-04-08 07:24:25 C 14 10 17.657 +04 25 48.17 V G37
2021-04-15 11:09:59 C 14 10 54.010 +03 04 58.57 V T12