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
2021-11-07 12:50:47 C 05 08 02.521 -13 53 39.88 U F51
2021-11-07 13:05:51 C 05 08 00.006 -13 53 27.81 U F51
2021-11-07 13:20:53 C 05 07 57.490 -13 53 15.75 U F51
2021-11-11 08:25:08 C 04 53 39.85 -12 38 11.1 V 703
2021-11-11 08:32:50 C 04 53 38.63 -12 38 04.2 V 703
2021-11-11 08:40:33 C 04 53 37.53 -12 37 58.3 V 703
2021-11-11 08:48:15 C 04 53 36.28 -12 37 50.5 V 703
2021-11-12 07:24:20 C 04 50 13.37 -12 18 34.2 V G96
2021-11-12 07:32:26 C 04 50 12.12 -12 18 27.4 V G96
2021-11-12 07:40:30 C 04 50 10.90 -12 18 20.4 V G96
2021-11-12 07:48:36 C 04 50 09.66 -12 18 13.4 V G96
2021-11-16 02:13:12 C 04 37 18.98 -10 59 02.5 u 807
2021-11-16 02:17:05 C 04 37 18.40 -10 58 59.2 u 807
2021-11-16 02:21:05 C 04 37 17.85 -10 58 56.4 u 807
2021-11-16 05:42:07 C 04 36 50.58 -10 56 13.3 V 703
2021-11-16 06:06:58 C 04 36 47.06 -10 55 52.9 V 703
2021-11-19 09:00:28 C 04 27 03.559 -09 49 05.50 U F51
2021-11-19 09:16:56 C 04 27 01.441 -09 48 50.80 U F51
2021-11-19 09:33:25 C 04 26 59.334 -09 48 36.19 U F51
2021-11-28 10:25:38 C 04 03 31.40 -06 35 28.0 V T05
2021-11-28 10:30:56 C 04 03 30.87 -06 35 22.9 V T05
2021-11-28 10:39:32 C 04 03 30.10 -06 35 15.3 V T05
2021-11-28 10:54:46 C 04 03 28.57 -06 35 02.1 V T05
2021-11-29 06:53:02 C 04 01 40.12 -06 17 38.4 V 703
2021-11-29 07:08:11 C 04 01 38.80 -06 17 24.0 V 703
2021-11-29 07:15:44 C 04 01 38.05 -06 17 17.6 V 703
2021-12-02 06:40:42 C 03 55 37.48 -05 15 45.0 V 703
2021-12-02 06:55:57 C 03 55 36.31 -05 15 29.7 V 703
2021-12-02 07:03:35 C 03 55 35.70 -05 15 23.2 V 703