2010 DM21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6574222947 ± 5.79e-08
Semi-major axis (a)2.8615388450 AU ± 4.13e-08
Inclination (i)21.15030117° ± 2.49e-05
Long. of Asc. Node (Ω)178.00341592° ± 3.15e-05
Arg. of Perihelion (ω)263.19620175° ± 3.26e-05
Mean Anomaly (M)99.45417000° ± 2.76e-05
Mean Motion (n)0.2036164247°/day ± 4.41e-09
Perihelion dist (q)0.98029941 AU ± 1.66e-07
Aphelion dist (Q)4.74277828 AU ± 1.79e-07
Orbital Period4.84060303 yr ± 1.05e-07
Physical Parameters
H (abs. magnitude)20.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.256878 AU
Observations Used64
Oppositions5
Arc Total2009-2015
First Observation Used2009-09-17
Last Observation Used2015-01-31
Observations (79)
Date Type RA Dec Mag Band Observatory
2009-09-17 05:19:45 C 22 18 43.95 +00 13 55.9 o 568
2009-09-17 05:24:57 C 22 18 43.66 +00 13 49.6 o 568
2009-09-17 05:29:39 C 22 18 43.43 +00 13 44.5 o 568
2009-09-17 05:34:17 C 22 18 43.17 +00 13 39.3 o 568
2009-09-17 05:39:43 C 22 18 42.89 +00 13 32.8 o 568
2009-09-17 05:44:15 C 22 18 42.64 +00 13 27.4 o 568
2009-09-17 05:49:42 C 22 18 42.33 +00 13 21.3 o 568
2009-09-17 05:54:22 C 22 18 42.09 +00 13 15.9 o 568
2009-09-17 05:58:57 C 22 18 41.86 +00 13 10.8 o 568
2009-09-17 06:14:55 C 22 18 40.98 +00 12 52.4 o 568
2009-09-17 06:19:36 C 22 18 40.73 +00 12 46.8 o 568
2009-09-17 06:24:17 C 22 18 40.46 +00 12 41.3 o 568
2009-09-17 06:28:54 C 22 18 40.21 +00 12 36.2 o 568
2009-09-17 06:33:29 C 22 18 39.98 +00 12 30.8 o 568
2009-09-17 06:38:57 C 22 18 39.68 +00 12 24.4 o 568
2009-09-17 06:43:32 C 22 18 39.42 +00 12 19.2 o 568
2009-09-17 06:48:05 C 22 18 39.18 +00 12 13.8 o 568
2009-09-17 06:52:43 C 22 18 38.91 +00 12 08.2 o 568
2009-09-17 06:57:23 C 22 18 38.67 +00 12 03.3 o 568
2009-09-17 07:44:29 C 22 18 36.12 +00 11 08.8 o 568
2009-09-17 08:08:11 C 22 18 34.83 +00 10 41.2 o 568
2009-09-17 08:39:02 C 22 18 33.14 +00 10 06.2 o 568
2009-09-17 09:02:38 C 22 18 31.81 +00 09 37.6 o 568
2009-09-26 07:04:49 C 22 07 58.13 -04 13 27.0 22.2 t 645
2009-09-26 07:05:59 C 22 07 58.06 -04 13 28.4 22.1 t 645
2009-09-26 07:09:35 C 22 07 57.89 -04 13 32.9 22.1 t 645
2010-02-15 22:42:53 S 04 33 55.375 -21 34 59.63 L C51
2010-02-16 01:53:35 S 04 34 44.36 -21 28 51.9 L C51
2010-02-16 05:04:06 S 04 35 33.27 -21 22 42.5 L C51
2010-02-16 06:39:16 S 04 35 57.63 -21 19 37.2 L C51
2010-02-16 06:39:27 S 04 35 57.67 -21 19 37.7 L C51
2010-02-16 08:14:37 S 04 36 22.10 -21 16 33.1 L C51
2010-02-16 11:25:08 S 04 37 10.85 -21 10 21.2 L C51
2010-02-16 11:25:19 S 04 37 10.97 -21 10 20.6 L C51
2010-02-16 13:00:29 S 04 37 35.34 -21 07 14.7 L C51
2010-02-16 14:35:50 S 04 37 59.78 -21 04 07.5 L C51
2010-02-16 16:11:00 S 04 38 24.23 -21 01 01.9 L C51
2010-02-16 16:11:11 S 04 38 24.19 -21 01 02.6 L C51
2010-02-16 17:46:21 S 04 38 48.509 -20 57 55.19 L C51
2010-02-16 22:32:13 S 04 40 01.690 -20 48 33.62 L C51
2010-02-17 01:42:44 S 04 40 50.42 -20 42 15.9 L C51
2010-02-19 11:49:05 C 04 55 35.13 -18 45 05.5 r E12
2010-02-19 12:03:10 C 04 55 38.58 -18 44 36.7 r E12
2010-02-20 02:28:20 C 04 59 17.27 -18 15 13.4 c 926
2010-02-20 02:34:15 C 04 59 18.70 -18 15 00.4 c 926
2010-02-20 03:18:57 C 04 59 29.79 -18 13 28.4 o 291
2010-02-20 03:25:21 C 04 59 31.31 -18 13 16.7 o 291
2010-02-20 03:30:52 C 04 59 32.76 -18 13 03.8 o 291
2010-02-20 06:01:51 C 05 00 10.692 -18 07 48.74 o 568
2010-02-20 06:04:25 C 05 00 11.336 -18 07 43.43 o 568