2021 DM2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2869197299 ± 1.83e-07
Semi-major axis (a)1.3323154008 AU ± 8.92e-09
Inclination (i)21.64481531° ± 1.08e-05
Long. of Asc. Node (Ω)149.29865725° ± 1.49e-05
Arg. of Perihelion (ω)221.52125178° ± 2.97e-05
Mean Anomaly (M)172.22573984° ± 4.11e-05
Mean Motion (n)0.6409168713°/day ± 6.44e-09
Perihelion dist (q)0.95004783 AU ± 2.44e-07
Aphelion dist (Q)1.71458298 AU ± 2.45e-07
Orbital Period1.53783794 yr ± 1.54e-08
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.193″
Uncertainty0
Orbit TypeApollo
MOID0.006295 AU
Observations Used59
Oppositions5
Arc Total2009-2024
First Observation Used2009-06-09
Last Observation Used2024-03-16
Observations (62)
Date Type RA Dec Mag Band Observatory
2009-06-09 11:45:57 C 18 04 35.665 +36 51 55.89 V F51
2009-06-09 12:02:00 C 18 04 34.751 +36 52 06.18 V F51
2021-02-22 13:59:25 C 12 44 38.639 +12 02 51.13 U F51
2021-02-22 14:15:50 C 12 44 38.073 +12 03 11.93 U F51
2021-02-22 14:32:14 C 12 44 37.522 +12 03 33.66 U F51
2021-02-23 07:23:50 C 12 44 06.23 +12 25 45.1 V 807
2021-02-23 07:30:00 C 12 44 06.02 +12 25 53.3 V 807
2021-02-23 07:36:27 C 12 44 05.80 +12 26 01.7 V 807
2021-02-23 08:29:32 C 12 44 04.42 +12 26 59.6 V 695
2021-02-23 08:40:05 C 12 44 04.05 +12 27 13.5 V 695
2021-02-23 08:50:38 C 12 44 03.69 +12 27 27.5 V 695
2021-02-24 12:14:02 C 12 43 08.36 +13 03 31.7 V 695
2021-02-24 12:19:22 C 12 43 08.18 +13 03 38.8 V 695
2021-02-24 12:24:41 C 12 43 07.98 +13 03 45.6 V 695
2021-02-25 05:43:16 C 12 42 32.39 +13 26 42.4 V 695
2021-02-25 06:05:59 C 12 42 31.54 +13 27 12.3 V 695
2021-03-02 04:25:48 C 12 37 39.967 +16 05 59.79 V G37
2021-03-02 04:27:30 C 12 37 39.928 +16 06 02.64 V G37
2021-03-03 05:35:43 C 12 36 29.10 +16 39 56.8 V 291
2021-03-03 05:47:40 C 12 36 28.48 +16 40 12.9 V 291
2021-03-03 05:59:37 C 12 36 27.90 +16 40 29.0 V 291
2021-03-06 04:51:25 C 12 32 52.94 +18 15 31.8 o 291
2021-03-06 05:00:56 C 12 32 52.37 +18 15 44.4 o 291
2021-03-10 09:30:59 C 12 27 11.77 +20 27 30.3 o 291
2021-03-10 09:43:25 C 12 27 11.05 +20 27 45.4 o 291
2021-03-10 09:55:54 C 12 27 10.27 +20 28 01.3 o 291
2021-03-18 07:22:15 C 12 15 11.32 +24 15 57.0 o 691
2021-03-18 07:52:38 C 12 15 09.22 +24 16 31.0 o 691
2021-03-18 08:23:01 C 12 15 07.11 +24 17 04.3 o 691
2021-03-23 06:43:22 C 12 07 15.77 +26 19 11.8 V V00
2021-03-23 06:51:11 C 12 07 15.27 +26 19 18.8 V V00
2021-03-23 06:59:00 C 12 07 14.74 +26 19 26.5 V V00
2021-03-23 07:06:49 C 12 07 14.15 +26 19 34.1 V V00
2021-04-02 04:13:39 C 11 52 13.86 +29 26 05.2 u H21
2021-04-02 04:22:42 C 11 52 13.32 +29 26 10.5 u H21
2021-04-02 04:32:03 C 11 52 12.73 +29 26 16.7 u H21
2021-04-02 07:19:01 C 11 52 03.309 +29 28 02.01 V F51
2021-04-02 07:34:47 C 11 52 02.337 +29 28 11.62 V F51
2021-04-03 04:35:47 C 11 50 49.32 +29 40 42.4 o 291
2021-04-03 04:56:34 C 11 50 48.10 +29 40 55.2 o 291
2021-04-03 05:17:24 C 11 50 46.84 +29 41 07.3 o 291
2021-04-10 09:19:55 C 11 41 51.76 +31 00 46.9 o 291
2021-04-10 10:01:26 C 11 41 49.83 +31 01 00.4 o 291
2021-04-16 06:33:03 C 11 36 12.728 +31 37 56.59 V F51
2021-04-16 06:49:12 C 11 36 12.145 +31 37 59.77 V F51
2021-04-16 07:05:16 C 11 36 11.540 +31 38 02.94 V F51
2021-04-16 07:21:31 C 11 36 10.950 +31 38 05.83 V F51
2021-08-12 06:05:38 C 13 34 22.803 +10 17 33.91 V T14
2023-05-02 14:08:57 C 21 26 15.799 +07 59 27.39 V F52
2023-05-07 10:11:31 C 21 42 48.20 +09 00 32.9 V 695