2021 EO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7255284764 ± 2.08e-06
Semi-major axis (a)2.2212135129 AU ± 1.29e-05
Inclination (i)13.72943924° ± 2.69e-05
Long. of Asc. Node (Ω)113.68717530° ± 4.47e-05
Arg. of Perihelion (ω)189.93518897° ± 5.72e-05
Mean Anomaly (M)102.46233744° ± 4.03e-03
Mean Motion (n)0.2977328920°/day ± 2.59e-06
Perihelion dist (q)0.60965986 AU ± 5.82e-06
Aphelion dist (Q)3.83276717 AU ± 2.27e-05
Orbital Period3.31043801 yr ± 2.88e-05
Physical Parameters
H (abs. magnitude)18.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.315″
Uncertainty1
Orbit TypeApollo
MOID0.229261 AU
Observations Used125
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-11
Last Observation Used2021-12-02
Observations (129)
Date Type RA Dec Mag Band Observatory
2021-03-11 06:19:17 C 11 24 22.01 +24 51 32.8 V G96
2021-03-11 06:26:42 C 11 24 21.49 +24 51 37.1 V G96
2021-03-11 06:34:04 C 11 24 20.99 +24 51 42.3 V G96
2021-03-11 06:41:30 C 11 24 20.48 +24 51 47.2 V G96
2021-03-11 10:33:20 C 11 24 04.17 +24 54 14.6 V I52
2021-03-11 10:39:24 C 11 24 03.73 +24 54 17.4 V I52
2021-03-11 10:45:27 C 11 24 03.33 +24 54 22.9 V I52
2021-03-14 03:14:06 C 11 19 33.31 +25 34 38.0 V 033
2021-03-14 03:19:26 C 11 19 32.91 +25 34 41.8 V 033
2021-03-14 22:05:05 C 11 18 13.410 +25 46 09.83 V J04
2021-03-14 22:28:18 C 11 18 11.700 +25 46 24.26 V J04
2021-03-14 22:50:31 C 11 18 10.104 +25 46 37.28 V J04
2021-03-15 06:22:33 C 11 17 37.59 +25 51 10.4 o 711
2021-03-15 06:34:26 C 11 17 36.66 +25 51 17.4 o 711
2021-03-15 06:40:44 C 11 17 36.22 +25 51 20.8 o 711
2021-03-15 06:46:46 C 11 17 35.78 +25 51 25.0 o 711
2021-03-15 22:35:55 C 11 16 27.807 +26 00 51.45 V J04
2021-03-15 22:51:47 C 11 16 26.645 +26 01 00.98 V J04
2021-03-15 23:07:39 C 11 16 25.463 +26 01 10.38 V J04
2021-03-16 00:03:50 C 11 16 21.12 +26 01 41.8 V L01
2021-03-16 00:10:00 C 11 16 20.66 +26 01 45.8 V L01
2021-03-16 00:17:18 C 11 16 20.11 +26 01 50.0 V L01
2021-03-19 04:38:21 C 11 10 46.63 +26 45 39.7 V 291
2021-03-19 04:53:23 C 11 10 45.47 +26 45 47.8 V 291
2021-03-19 05:08:28 C 11 10 44.36 +26 45 56.4 V 291
2021-03-20 03:28:49 C 11 09 05.86 +26 58 09.0 o 691
2021-03-20 03:52:40 C 11 09 04.03 +26 58 21.7 o 691
2021-03-20 04:16:33 C 11 09 02.23 +26 58 35.4 o 691
2021-04-01 06:21:49 C 10 47 53.49 +29 07 25.8 V G96
2021-04-01 06:29:13 C 10 47 52.95 +29 07 28.6 V G96
2021-04-01 06:36:38 C 10 47 52.41 +29 07 31.3 V G96
2021-04-01 06:44:02 C 10 47 51.91 +29 07 33.5 V G96
2021-04-02 03:55:05 C 10 46 23.92 +29 14 35.5 V V06
2021-04-02 04:00:47 C 10 46 23.52 +29 14 37.3 V V06
2021-04-02 04:06:29 C 10 46 23.10 +29 14 39.2 V V06
2021-04-02 04:12:11 C 10 46 22.71 +29 14 41.2 V V06
2021-04-10 05:55:02 C 10 33 52.706 +30 03 10.04 U F51
2021-04-10 06:12:40 C 10 33 51.618 +30 03 13.14 U F51
2021-04-10 06:30:18 C 10 33 50.544 +30 03 16.70 U F51
2021-04-10 06:47:59 C 10 33 49.464 +30 03 19.68 U F51
2021-04-21 07:02:02 C 10 20 36.31 +30 25 25.7 V V06
2021-04-21 07:13:40 C 10 20 35.87 +30 25 25.6 V V06
2021-04-21 07:25:19 C 10 20 35.33 +30 25 25.5 V V06
2021-04-21 07:29:55 C 10 20 35.16 +30 25 25.5 V V06
2021-05-11 03:32:55 C 10 10 33.18 +29 24 34.7 o 691
2021-05-11 03:48:36 C 10 10 32.94 +29 24 31.9 o 691
2021-05-11 04:04:18 C 10 10 32.89 +29 24 28.3 o 691
2021-06-11 04:37:23 C 10 27 16.28 +24 57 48.3 V I52
2021-06-11 04:43:31 C 10 27 16.42 +24 57 46.3 V I52
2021-06-11 04:49:38 C 10 27 16.77 +24 57 41.8 V I52