2021 EZ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1052518246 ± 1.56e-06
Semi-major axis (a)1.1302583130 AU ± 1.93e-06
Inclination (i)3.09973332° ± 3.64e-05
Long. of Asc. Node (Ω)2.39001344° ± 5.20e-05
Arg. of Perihelion (ω)247.31169273° ± 2.98e-05
Mean Anomaly (M)261.69813186° ± 3.47e-03
Mean Motion (n)0.8202490031°/day ± 2.10e-06
Perihelion dist (q)1.01129656 AU ± 2.47e-06
Aphelion dist (Q)1.24922006 AU ± 2.77e-06
Orbital Period1.20161839 yr ± 3.08e-06
Physical Parameters
H (abs. magnitude)26.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.228″
Uncertainty1
Orbit TypeApollo
MOID0.036985 AU
Observations Used54
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-15
Last Observation Used2021-09-06
Observations (54)
Date Type RA Dec Mag Band Observatory
2021-03-15 10:31:18 C 12 47 34.753 +00 06 51.74 U F51
2021-03-15 10:50:53 C 12 47 33.800 +00 06 31.32 U F51
2021-03-15 11:10:38 C 12 47 32.842 +00 06 10.96 U F51
2021-03-15 23:38:00 C 12 47 17.331 -00 07 01.49 V J04
2021-03-15 23:57:03 C 12 47 16.488 -00 07 22.10 V J04
2021-03-16 00:16:06 C 12 47 15.617 -00 07 42.32 V J04
2021-03-16 13:21:05 C 12 46 52.67 -00 19 56.1 V 474
2021-03-16 13:31:13 C 12 46 52.15 -00 20 06.6 V 474
2021-03-16 23:31:24 C 12 46 38.814 -00 32 58.53 V J04
2021-03-16 23:44:06 C 12 46 38.180 -00 33 12.83 V J04
2021-03-16 23:56:47 C 12 46 37.570 -00 33 27.20 V J04
2021-03-20 06:41:04 C 12 43 55.75 -02 08 49.3 V I52
2021-03-20 06:45:54 C 12 43 55.43 -02 08 55.5 V I52
2021-03-20 06:50:45 C 12 43 55.05 -02 09 00.9 V I52
2021-03-31 07:10:01 C 12 28 04.93 -09 52 30.8 V I52
2021-03-31 07:12:39 C 12 28 04.67 -09 52 35.3 V I52
2021-03-31 07:15:17 C 12 28 04.36 -09 52 41.2 V I52
2021-03-31 07:17:57 C 12 28 04.01 -09 52 46.8 V I52
2021-03-31 10:08:14 C 12 27 44.52 -09 59 08.7 V 291
2021-03-31 10:19:56 C 12 27 43.26 -09 59 35.0 V 291
2021-03-31 10:31:42 C 12 27 42.00 -10 00 00.7 V 291
2021-04-01 05:59:14 C 12 26 11.70 -10 45 27.6 o 691
2021-04-01 06:25:04 C 12 26 08.56 -10 46 29.9 o 691
2021-04-01 06:51:52 C 12 26 05.26 -10 47 34.1 o 691
2021-04-03 08:39:14 C 12 21 32.778 -12 51 26.20 U F51
2021-04-03 08:58:00 C 12 21 30.171 -12 52 16.41 U F51
2021-04-03 09:16:50 C 12 21 27.552 -12 53 05.94 U F51
2021-04-03 09:35:39 C 12 21 24.917 -12 53 55.86 U F51
2021-04-04 05:57:02 C 12 19 24.15 -13 48 40.5 V G96
2021-04-04 06:05:07 C 12 19 23.04 -13 49 02.5 V G96
2021-04-04 06:13:12 C 12 19 21.89 -13 49 24.7 V G96
2021-04-04 06:21:17 C 12 19 20.72 -13 49 46.7 V G96
2021-04-06 08:40:01 C 12 13 48.85 -16 13 00.7 V I52
2021-04-06 08:42:14 C 12 13 48.52 -16 13 06.9 V I52
2021-04-06 08:44:27 C 12 13 48.16 -16 13 13.4 V I52
2021-04-08 10:22:07 C 12 08 03.235 -18 44 19.05 V Q63
2021-04-08 10:35:13 C 12 08 01.120 -18 45 02.96 V Q63
2021-04-08 10:49:08 C 12 07 58.843 -18 45 49.83 V Q63
2021-04-08 11:02:50 C 12 07 56.591 -18 46 35.60 V Q63
2021-04-08 11:16:33 C 12 07 54.313 -18 47 21.37 V Q63
2021-04-09 07:02:32 C 12 05 14.80 -19 55 18.6 V G96
2021-04-09 07:10:27 C 12 05 13.37 -19 55 44.8 V G96
2021-04-09 07:18:21 C 12 05 12.00 -19 56 10.6 V G96
2021-04-09 07:26:17 C 12 05 10.55 -19 56 36.3 V G96
2021-04-19 03:05:17 C 11 25 57.76 -35 12 20.5 u 807
2021-04-19 03:12:42 C 11 25 55.75 -35 12 52.1 u 807
2021-04-19 03:19:56 C 11 25 53.77 -35 13 22.6 u 807
2021-04-19 08:52:53 C 11 24 52.52 -35 36 44.0 V 474
2021-04-19 09:06:57 C 11 24 48.84 -35 37 47.1 V 474
2021-04-19 09:10:24 C 11 24 47.93 -35 38 02.7 V 474