IAA RAS IAA Minor Planet Database

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
2021-02-19 06:38:16 C 08 51 23.01 +18 25 43.1 – V G96
2021-02-19 06:46:22 C 08 51 17.69 +18 24 45.1 – V G96
2021-02-19 06:54:29 C 08 51 12.47 +18 23 47.8 – V G96
2021-02-19 07:02:36 C 08 51 07.22 +18 22 50.5 – V G96
2021-02-19 09:16:00 C 08 49 40.84 +18 06 55.2 – V V06
2021-02-19 09:17:50 C 08 49 39.64 +18 06 42.3 – V V06
2021-02-19 09:19:41 C 08 49 38.47 +18 06 28.7 – V V06
2021-02-20 00:55:53 C 08 39 56.12 +16 12 25.1 – V W33
2021-02-20 01:17:03 C 08 39 42.37 +16 09 46.5 – V W33
2021-02-20 01:38:02 C 08 39 28.80 +16 07 11.8 – V W33
2021-02-20 01:38:28 C 08 39 28.39 +16 07 07.4 – V W34
2021-02-20 01:54:59 C 08 39 17.65 +16 05 03.6 – V W34
2021-02-20 02:11:51 C 08 39 06.69 +16 02 58.2 – V W34
2021-02-20 02:46:08 C 08 38 44.69 +15 58 36.7 – u H21
2021-02-20 02:56:39 C 08 38 37.84 +15 57 18.0 – u H21
2021-02-20 02:56:50 C 08 38 39.22 +15 57 19.3 – q 858
2021-02-20 03:04:49 C 08 38 34.04 +15 56 20.3 – q 858
2021-02-20 03:05:29 C 08 38 32.08 +15 56 11.8 – u H21
2021-02-20 03:12:49 C 08 38 28.85 +15 55 19.5 – q 858
2021-02-20 03:27:04 C 08 38 20.05 +15 53 36.2 – V I52
2021-02-20 03:27:53 C 08 38 19.45 +15 53 30.7 – V I52
2021-02-20 03:28:42 C 08 38 18.94 +15 53 24.5 – V I52
2021-02-20 03:29:31 C 08 38 18.37 +15 53 18.7 – V I52
2021-02-20 05:44:50 C 08 36 48.64 +15 36 11.4 – V H36
2021-02-20 05:50:00 C 08 36 47.21 +15 35 39.6 – V 654
2021-02-20 05:54:10 C 08 36 42.60 +15 35 02.1 – V H36
2021-02-20 05:55:46 C 08 36 43.43 +15 34 56.0 – V 654
2021-02-20 06:04:22 C 08 36 35.93 +15 33 44.0 – V H36
2021-02-20 06:34:45 C 08 36 17.91 +15 30 01.0 – V 654
2021-02-20 06:40:32 C 08 36 14.13 +15 29 17.2 – V 654
2021-02-20 07:36:35 C 08 35 37.43 +15 22 10.6 – V 654
2021-02-20 07:42:22 C 08 35 33.66 +15 21 26.5 – V 654
2021-02-20 09:15:27 C 08 34 32.99 +15 09 33.5 – V 654
2021-02-20 09:21:14 C 08 34 29.25 +15 08 49.1 – V 654
2021-02-20 19:53:50 C 08 27 54.52 +13 47 19.2 – V L74
2021-02-20 19:59:47 C 08 27 50.69 +13 46 27.2 – V 104
2021-02-20 20:03:04 C 08 27 48.48 +13 46 06.8 – V L74
2021-02-20 20:17:04 C 08 27 39.43 +13 44 12.0 – V 104
2021-02-20 20:25:40 C 08 27 33.83 +13 43 04.4 – V 104
2021-02-20 20:32:30 C 08 27 29.13 +13 42 09.6 – V L01
2021-02-20 20:34:26 C 08 27 27.88 +13 41 55.2 – V L01
2021-02-20 20:36:14 C 08 27 26.64 +13 41 41.1 – V L01
2021-02-20 22:03:40 C 08 26 29.78 +13 30 10.0 – V K61
2021-02-20 22:05:27 C 08 26 28.60 +13 29 56.3 – V K61
2021-02-20 22:07:05 C 08 26 27.55 +13 29 43.4 – V K61
2021-02-21 02:49:26 C 08 23 31.40 +12 52 51.0 – u H21
2021-02-21 02:58:25 C 08 23 25.56 +12 51 40.3 – u H21
2021-02-21 03:14:21 C 08 23 17.20 +12 49 42.1 – o 691
2021-02-21 03:16:51 C 08 23 15.45 +12 49 21.6 – V I52
2021-02-21 03:17:40 C 08 23 15.01 +12 49 15.3 – V I52