2021 DU

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5028362912 ± 1.36e-05
Semi-major axis (a)2.2002258712 AU ± 7.18e-05
Inclination (i)7.57597252° ± 1.66e-04
Long. of Asc. Node (Ω)80.39135456° ± 3.17e-04
Arg. of Perihelion (ω)104.11383369° ± 3.54e-04
Mean Anomaly (M)150.87760689° ± 2.51e-02
Mean Motion (n)0.3020030824°/day ± 1.48e-05
Perihelion dist (q)1.09387245 AU ± 4.66e-05
Aphelion dist (Q)3.30657929 AU ± 1.12e-04
Orbital Period3.26362988 yr ± 1.60e-04
Physical Parameters
H (abs. magnitude)23.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.238″
Uncertainty2
Orbit TypeAmor
MOID0.160209 AU
Observations Used41
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-16
Last Observation Used2021-05-08
Observations (41)
Date Type RA Dec Mag Band Observatory
2021-02-16 07:47:21 C 08 12 25.470 +51 01 19.66 U F51
2021-02-16 08:06:14 C 08 12 25.320 +51 01 42.14 U F51
2021-02-16 08:44:01 C 08 12 24.989 +51 02 26.00 U F51
2021-02-17 05:58:21 C 08 12 35.929 +51 26 40.88 V 568
2021-02-17 05:59:46 C 08 12 35.928 +51 26 42.62 V 568
2021-02-17 06:01:11 C 08 12 35.923 +51 26 44.36 V 568
2021-02-19 02:54:07 C 08 13 08.89 +52 16 52.9 V V06
2021-02-19 02:59:49 C 08 13 08.89 +52 17 00.0 V V06
2021-02-19 03:11:14 C 08 13 08.92 +52 17 12.9 V V06
2021-03-05 05:27:34 C 08 31 19.48 +57 34 01.2 V V06
2021-03-05 05:44:40 C 08 31 20.96 +57 34 13.4 V V06
2021-03-05 06:01:47 C 08 31 22.36 +57 34 25.9 V V06
2021-04-01 02:09:11 C 10 42 01.79 +58 00 32.9 u H21
2021-04-01 02:16:05 C 10 42 03.53 +58 00 25.9 u H21
2021-04-02 07:13:11 C 10 49 58.48 +57 29 21.3 V V06
2021-04-02 07:18:54 C 10 49 59.96 +57 29 14.8 V V06
2021-04-02 07:24:36 C 10 50 01.43 +57 29 07.8 V V06
2021-04-05 03:22:57 C 11 08 41.71 +56 00 57.2 u H21
2021-04-05 03:30:39 C 11 08 43.66 +56 00 46.6 u H21
2021-04-05 03:38:12 C 11 08 45.63 +56 00 36.1 u H21
2021-04-11 05:54:37 C 11 46 55.10 +51 37 59.1 V G96
2021-04-11 06:02:07 C 11 46 56.74 +51 37 42.7 V G96
2021-04-11 06:09:39 C 11 46 58.56 +51 37 26.7 V G96
2021-04-11 06:17:10 C 11 47 00.16 +51 37 10.6 V G96
2021-04-29 22:04:48 C 13 13 56.72 +29 57 45.5 V 033
2021-04-29 22:08:58 C 13 13 57.30 +29 57 31.4 V 033
2021-04-29 22:13:08 C 13 13 57.84 +29 57 17.5 V 033
2021-05-05 06:53:23 C 13 30 52.96 +22 51 24.7 V G96
2021-05-05 07:01:28 C 13 30 53.85 +22 50 58.0 V G96
2021-05-05 07:09:34 C 13 30 54.73 +22 50 31.5 V G96
2021-05-05 07:17:40 C 13 30 55.63 +22 50 05.0 V G96
2021-05-06 07:12:16 C 13 33 46.31 +21 32 25.6 V G96
2021-05-06 07:19:42 C 13 33 47.11 +21 32 01.4 V G96
2021-05-06 07:27:07 C 13 33 47.87 +21 31 37.7 V G96
2021-05-06 07:34:32 C 13 33 48.67 +21 31 13.2 V G96
2021-05-08 03:22:53 C 13 38 50.94 +19 11 06.2 o 291
2021-05-08 03:29:47 C 13 38 51.65 +19 10 44.8 o 291
2021-05-08 03:36:45 C 13 38 52.33 +19 10 22.9 o 291
2021-05-08 10:49:26 C 13 39 37.472 +18 47 46.20 U F51
2021-05-08 11:32:17 C 13 39 41.735 +18 45 30.31 U F51
2021-05-08 11:53:47 C 13 39 43.930 +18 44 21.26 U F51