2021 EU4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6264190732 ± 8.23e-05
Semi-major axis (a)2.0495952472 AU ± 4.10e-04
Inclination (i)13.71736538° ± 1.44e-03
Long. of Asc. Node (Ω)352.10201888° ± 3.75e-05
Arg. of Perihelion (ω)111.71971998° ± 5.27e-04
Mean Anomaly (M)230.69061585° ± 1.79e-01
Mean Motion (n)0.3359000884°/day ± 1.01e-04
Perihelion dist (q)0.76568969 AU ± 2.28e-04
Aphelion dist (Q)3.33350080 AU ± 6.88e-04
Orbital Period2.93428408 yr ± 8.80e-04
Physical Parameters
H (abs. magnitude)24.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.253″
Uncertainty3
Orbit TypeApollo
MOID0.007907 AU
Observations Used96
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-15
Last Observation Used2021-04-14
Observations (102)
Date Type RA Dec Mag Band Observatory
2021-03-15 08:29:30 C 10 26 25.78 -05 33 28.9 V T08
2021-03-15 08:33:30 C 10 26 27.43 -05 34 19.1 V T08
2021-03-15 08:37:29 C 10 26 29.10 -05 35 08.7 V T08
2021-03-15 08:43:23 C 10 26 31.708 -05 36 26.95 U F51
2021-03-15 08:44:50 C 10 26 32.16 -05 36 40.4 V T08
2021-03-15 09:02:33 C 10 26 39.644 -05 40 25.31 U F51
2021-03-15 09:21:41 C 10 26 47.504 -05 44 21.40 U F51
2021-03-15 12:12:42 C 10 27 56.61 -06 18 15.3 V T05
2021-03-15 12:12:51 C 10 27 56.44 -06 18 12.9 V T08
2021-03-15 12:13:21 C 10 27 56.83 -06 18 22.9 V T05
2021-03-15 12:13:31 C 10 27 56.72 -06 18 20.7 V T08
2021-03-15 12:14:01 C 10 27 57.08 -06 18 31.2 V T05
2021-03-15 12:14:11 C 10 27 56.97 -06 18 27.7 V T08
2021-03-15 12:14:41 C 10 27 57.39 -06 18 38.8 V T05
2021-03-15 12:14:51 C 10 27 57.26 -06 18 35.7 V T08
2021-03-15 12:15:20 C 10 27 57.64 -06 18 45.1 V T05
2021-03-15 12:15:30 C 10 27 57.49 -06 18 43.2 V T08
2021-03-15 13:29:30 C 10 28 38.37 -06 29 32.3 q E23
2021-03-15 13:49:30 C 10 28 46.00 -06 33 17.6 q E23
2021-03-15 14:09:30 C 10 28 53.61 -06 37 01.1 q E23
2021-03-15 18:56:37 C 10 31 04.23 -07 32 11.1 V K83
2021-03-15 19:00:07 C 10 31 05.54 -07 32 46.9 V K83
2021-03-15 19:03:36 C 10 31 06.77 -07 33 21.9 V K83
2021-03-15 19:10:25 C 10 31 09.25 -07 34 31.5 V K83
2021-03-15 19:44:39 C 10 31 20.88 -07 40 20.3 V L01
2021-03-15 19:46:07 C 10 31 21.40 -07 40 35.1 V L01
2021-03-15 19:47:47 C 10 31 21.98 -07 40 51.4 V L01
2021-03-15 19:49:05 C 10 31 22.44 -07 41 04.4 V L01
2021-03-15 19:50:34 C 10 31 22.96 -07 41 19.5 V L01
2021-03-15 19:52:03 C 10 31 23.47 -07 41 34.2 V L01
2021-03-15 20:26:08 C 10 31 35.30 -07 47 12.8 V 595
2021-03-15 20:31:21 C 10 31 37.06 -07 48 03.9 V 595
2021-03-15 20:31:31 C 10 31 37.72 -07 48 02.6 V K63
2021-03-15 20:36:33 C 10 31 38.84 -07 48 55.2 V 595
2021-03-15 20:37:03 C 10 31 39.64 -07 48 56.7 V K63
2021-03-15 20:43:09 C 10 31 41.71 -07 49 55.7 V K63
2021-03-15 21:02:26 C 10 31 48.22 -07 53 03.3 V 160
2021-03-15 21:05:53 C 10 31 55.13 -07 52 49.4 V J04
2021-03-15 21:06:11 C 10 31 55.25 -07 52 52.5 V J04
2021-03-15 21:06:28 C 10 31 49.58 -07 53 43.1 V 160
2021-03-15 21:06:29 C 10 31 55.33 -07 52 55.5 V J04
2021-03-15 21:10:29 C 10 31 50.95 -07 54 21.9 V 160
2021-03-15 21:14:30 C 10 31 52.26 -07 55 00.6 V 160
2021-03-15 21:31:15 C 10 31 57.82 -07 57 42.5 V G17
2021-03-15 21:31:37 C 10 31 58.27 -07 57 50.0 V 204
2021-03-15 21:36:19 C 10 31 59.47 -07 58 30.5 V G17
2021-03-15 21:40:01 C 10 32 01.08 -07 59 11.0 V 204
2021-03-15 21:41:23 C 10 32 01.15 -07 59 19.7 V G17
2021-03-15 21:50:54 C 10 32 04.70 -08 00 55.0 V 204
2021-03-15 23:19:13 C 10 32 33.55 -08 14 45.5 V 203