2021 DH2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7581605215 ± 1.29e-04
Semi-major axis (a)2.1687017674 AU ± 9.16e-04
Inclination (i)5.31115690° ± 1.06e-03
Long. of Asc. Node (Ω)333.00566981° ± 8.15e-04
Arg. of Perihelion (ω)87.22666649° ± 1.65e-03
Mean Anomaly (M)189.50143506° ± 3.50e-01
Mean Motion (n)0.3086117989°/day ± 1.96e-04
Perihelion dist (q)0.52447770 AU ± 3.57e-04
Aphelion dist (Q)3.81292583 AU ± 1.63e-03
Orbital Period3.19374142 yr ± 2.02e-03
Physical Parameters
H (abs. magnitude)21.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.318″
Uncertainty3
Orbit TypeApollo
MOID0.003785 AU
Observations Used77
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-22
Last Observation Used2021-03-23
Observations (85)
Date Type RA Dec Mag Band Observatory
2021-03-06 01:06:56 C 11 28 38.43 -05 06 46.1 V K87
2021-03-06 01:10:55 C 11 28 37.52 -05 06 40.4 V K87
2021-03-07 01:07:12 C 11 23 28.03 -04 32 06.1 V K87
2021-03-07 01:14:06 C 11 23 26.59 -04 31 56.7 V K87
2021-03-07 01:20:59 C 11 23 25.16 -04 31 47.5 V K87
2021-03-07 07:41:22 C 11 22 09.94 -04 23 04.1 V G96
2021-03-07 07:48:50 C 11 22 08.40 -04 22 54.2 V G96
2021-03-07 07:56:20 C 11 22 06.85 -04 22 44.3 V G96
2021-03-07 08:03:48 C 11 22 05.30 -04 22 34.2 V G96
2021-03-07 10:34:52 C 11 21 36.09 -04 19 05.9 V T08
2021-03-07 10:50:52 C 11 21 32.83 -04 18 45.2 V T08
2021-03-07 10:54:11 C 11 21 32.15 -04 18 40.4 V T08
2021-03-07 11:40:17 C 11 21 22.69 -04 17 40.3 V T08
2021-03-07 11:43:36 C 11 21 22.06 -04 17 35.7 V T08
2021-03-07 11:48:15 C 11 21 21.08 -04 17 29.6 V T08
2021-03-08 00:12:59 C 11 19 01.96 -04 01 54.3 V K87
2021-03-08 00:21:24 C 11 19 00.36 -04 01 44.0 V K87
2021-03-08 00:29:51 C 11 18 58.74 -04 01 33.3 V K87
2021-03-10 04:32:58 C 11 10 35.31 -03 02 52.2 V I52
2021-03-10 04:34:39 C 11 10 35.10 -03 02 50.5 V I52
2021-03-11 06:50:12 C 11 07 00.07 -02 37 27.6 V 703
2021-03-11 07:05:34 C 11 06 58.01 -02 37 12.8 V 703
2021-03-11 07:13:16 C 11 06 56.91 -02 37 06.1 V 703
2021-03-12 14:42:38 C 11 03 11.05 -02 09 42.3 q D29
2021-03-12 15:03:00 C 11 03 08.60 -02 09 25.0 q D29
2021-03-12 15:23:22 C 11 03 06.21 -02 09 09.2 q D29
2021-03-18 05:24:38 C 10 51 35.93 -00 40 37.1 V I52
2021-03-18 05:29:15 C 10 51 35.59 -00 40 34.7 V I52
2021-03-18 05:31:04 C 10 51 35.50 -00 40 34.1 V I52
2021-03-18 05:32:53 C 10 51 35.37 -00 40 32.6 V I52
2021-03-22 01:31:06 C 10 46 40.39 +00 02 02.1 u 807
2021-03-22 01:38:32 C 10 46 40.04 +00 02 05.6 u 807
2021-03-23 04:09:43 C 10 45 34.47 +00 11 50.0 V I52
2021-03-23 04:18:12 C 10 45 34.16 +00 11 53.4 V I52
2021-03-23 04:26:40 C 10 45 33.72 +00 11 55.1 V I52