2021 ED4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1477895565 ± 2.00e+00
Semi-major axis (a)1.1803755092 AU ± 3.00e+00
Inclination (i)34.06440226° ± 4.00e+00
Long. of Asc. Node (Ω)162.18254158° ± 5.00e+00
Arg. of Perihelion (ω)243.13858045° ± 6.00e+00
Mean Anomaly (M)348.00437051° ± 3.93e+00
Mean Motion (n)0.7685674564°/day ± 2.93e+00
Perihelion dist (q)1.00592834 AU ± 3.48e+00
Aphelion dist (Q)1.35482268 AU ± 4.17e+00
Orbital Period1.28242001 yr ± 4.89e+00
Physical Parameters
H (abs. magnitude)22.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-12
RMS Residual0.393″
Uncertainty4
Orbit TypeApollo
MOID0.070596 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-11
Last Observation Used2021-03-21
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-03-11 06:20:36 C 11 15 19.82 +25 10 41.2 V G96
2021-03-11 06:28:01 C 11 15 19.34 +25 11 12.9 V G96
2021-03-11 06:35:25 C 11 15 18.85 +25 11 44.6 V G96
2021-03-11 06:42:49 C 11 15 18.41 +25 12 16.5 V G96
2021-03-11 10:18:09 C 11 15 04.88 +25 27 30.3 V I52
2021-03-11 10:21:44 C 11 15 04.64 +25 27 45.1 o 291
2021-03-11 10:23:00 C 11 15 04.54 +25 27 49.4 V I52
2021-03-11 10:27:50 C 11 15 04.24 +25 28 10.5 V I52
2021-03-11 10:28:34 C 11 15 04.24 +25 28 13.7 o 291
2021-03-11 10:35:25 C 11 15 03.81 +25 28 42.6 o 291
2021-03-12 23:35:53 C 11 13 04.12 +28 00 15.6 V L01
2021-03-12 23:40:23 C 11 13 03.91 +28 00 32.1 V L01
2021-03-12 23:44:53 C 11 13 03.61 +28 00 50.3 V L01
2021-03-12 23:49:22 C 11 13 03.28 +28 01 08.3 V L01
2021-03-13 20:02:11 C 11 12 00.05 +29 19 17.9 V 033
2021-03-13 20:06:12 C 11 11 59.82 +29 19 33.0 V 033
2021-03-13 20:10:11 C 11 11 59.60 +29 19 48.3 V 033
2021-03-13 21:04:14 C 11 11 56.97 +29 23 18.2 V B49
2021-03-13 21:11:47 C 11 11 56.47 +29 23 46.2 V B49
2021-03-13 21:18:31 C 11 11 56.09 +29 24 12.4 V B49
2021-03-21 03:20:08 C 11 03 41.92 +38 29 00.3 u H21
2021-03-21 03:37:11 C 11 03 41.05 +38 29 44.8 u H21
2021-03-21 03:51:04 C 11 03 40.44 +38 30 19.9 u H21