2021 DU1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2802281041 ± 2.33e-04
Semi-major axis (a)0.9932385941 AU ± 2.39e-04
Inclination (i)25.41912709° ± 3.13e-02
Long. of Asc. Node (Ω)328.80731389° ± 2.42e-03
Arg. of Perihelion (ω)303.51952083° ± 3.27e-02
Mean Anomaly (M)193.72391490° ± 5.74e-01
Mean Motion (n)0.9957077705°/day ± 3.60e-04
Perihelion dist (q)0.71490523 AU ± 2.89e-04
Aphelion dist (Q)1.27157196 AU ± 3.84e-04
Orbital Period0.98987505 yr ± 3.58e-04
Physical Parameters
H (abs. magnitude)23.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.394″
Uncertainty3
Orbit TypeAten
MOID0.077002 AU
Observations Used70
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-19
Last Observation Used2021-03-05
Observations (72)
Date Type RA Dec Mag Band Observatory
2021-02-21 03:18:29 C 08 23 14.48 +12 49 09.9 V I52
2021-02-21 03:19:18 C 08 23 13.89 +12 49 02.9 V I52
2021-02-21 03:48:09 C 08 22 55.20 +12 45 15.6 o 691
2021-02-21 04:21:57 C 08 22 33.11 +12 40 48.7 o 691
2021-02-22 02:23:15 C 08 08 40.46 +09 44 43.1 u 807
2021-02-22 02:26:36 C 08 08 38.28 +09 44 15.8 u 807
2021-02-22 02:29:55 C 08 08 36.11 +09 43 48.7 u 807
2021-02-22 08:11:20 C 08 04 59.08 +08 55 34.1 V I52
2021-02-22 08:12:08 C 08 04 58.50 +08 55 28.2 V I52
2021-02-22 08:12:57 C 08 04 58.04 +08 55 20.9 V I52
2021-02-22 08:13:46 C 08 04 57.63 +08 55 15.3 V I52
2021-02-24 03:03:25 C 07 38 53.42 +03 01 46.4 V I52
2021-02-24 03:06:16 C 07 38 51.69 +03 01 23.1 V I52
2021-02-24 03:09:06 C 07 38 49.98 +03 00 59.6 V I52
2021-02-24 03:11:56 C 07 38 48.23 +03 00 36.3 V I52
2021-03-02 04:11:12 C 06 23 16.21 -14 09 52.7 V V06
2021-03-02 04:16:19 C 06 23 13.86 -14 10 21.3 V V06
2021-03-02 04:21:26 C 06 23 11.57 -14 10 50.0 V V06
2021-03-02 04:26:34 C 06 23 09.23 -14 11 19.2 V V06
2021-03-05 01:22:56 C 05 55 36.86 -19 50 55.1 V 807
2021-03-05 01:28:54 C 05 55 34.60 -19 51 20.6 V 807
2021-03-05 01:34:52 C 05 55 32.36 -19 51 46.8 V 807