418929 (2009 DM1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6407473893 ± 4.82e-09
Semi-major axis (a)2.8936861437 AU ± 2.96e-09
Inclination (i)15.19827680° ± 1.75e-06
Long. of Asc. Node (Ω)197.57588932° ± 3.90e-06
Arg. of Perihelion (ω)219.76610053° ± 4.62e-06
Mean Anomaly (M)151.56254403° ± 1.02e-06
Mean Motion (n)0.2002327625°/day ± 3.07e-10
Perihelion dist (q)1.03956430 AU ± 1.40e-08
Aphelion dist (Q)4.74780799 AU ± 1.48e-08
Orbital Period4.92240266 yr ± 7.55e-09
Physical Parameters
H (abs. magnitude)17.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty0
Orbit TypeAmor
MOID0.107802 AU
Observations Used2427
Oppositions17
Arc Total2003-2024
First Observation Used2003-11-21
Last Observation Used2024-05-05
Observations (4088)
Date Type RA Dec Mag Band Observatory
2018-10-16 19:18:24 C 22 18 55.25 -06 02 48.6 q 006
2018-10-16 19:20:03 C 22 18 55.33 -06 02 53.6 q 006
2018-10-16 19:21:44 C 22 18 55.39 -06 02 58.3 q 006
2018-10-16 19:23:24 C 22 18 55.46 -06 03 03.0 q 006
2018-10-16 19:24:39 C 22 18 55.60 -06 03 06.6 q 006
2018-10-21 09:30:38 C 22 26 01.55 -11 45 52.0 q E89
2018-10-21 09:35:58 C 22 26 01.92 -11 46 08.7 q E89
2018-10-21 09:41:09 C 22 26 02.30 -11 46 26.2 q E89
2018-10-21 09:51:32 C 22 26 03.00 -11 46 59.6 q E89
2018-10-22 08:38:13 C 22 27 53.06 -13 03 08.7 U T05
2018-10-22 08:49:39 C 22 27 53.89 -13 03 46.9 U T05
2018-10-22 09:03:12 C 22 27 54.90 -13 04 31.8 U T05
2018-10-22 09:04:32 C 22 27 55.00 -13 04 36.5 U T05
2018-10-23 19:06:44 C 22 30 57.84 -15 00 15.2 q 108
2018-10-23 19:21:00 C 22 30 59.04 -15 01 04.3 q 108
2018-10-23 19:33:39 C 22 31 00.08 -15 01 48.1 q 108
2018-10-25 09:18:32 C 22 34 42.24 -17 12 58.5 U T08
2018-10-25 09:21:28 C 22 34 42.52 -17 13 08.8 U T08
2018-10-25 09:31:38 C 22 34 43.49 -17 13 44.4 U T08
2018-10-25 09:34:24 C 22 34 43.74 -17 13 54.3 U T08
2018-10-25 09:44:57 C 22 34 44.77 -17 14 30.7 U T08
2018-10-25 09:47:49 C 22 34 45.03 -17 14 40.8 U T08
2018-10-25 09:58:14 C 22 34 46.03 -17 15 17.0 U T08
2018-10-26 08:03:44 C 22 37 10.28 -18 33 47.1 U T05
2018-10-26 08:17:57 C 22 37 11.70 -18 34 37.5 U T05
2018-10-26 08:31:12 C 22 37 13.02 -18 35 24.6 U T05
2018-10-26 08:44:30 C 22 37 14.36 -18 36 11.8 U T05
2018-10-26 11:57:14 C 22 37 35.51 -18 46 57.2 q E89
2018-10-26 12:02:52 C 22 37 36.13 -18 47 17.9 q E89
2018-10-26 12:08:03 C 22 37 36.67 -18 47 36.2 q E89
2018-10-26 12:13:15 C 22 37 37.23 -18 47 54.3 q E89
2018-10-26 12:18:26 C 22 37 37.79 -18 48 12.8 q E89
2018-10-26 19:28:05 C 22 38 28.48 -19 14 50.0 q K73
2018-10-26 19:35:18 C 22 38 29.29 -19 15 16.1 q K73
2018-10-26 19:42:30 C 22 38 29.98 -19 15 42.6 q K73
2018-10-27 03:55:31 C 22 39 27.46 -19 45 15.9 V 703
2018-10-27 04:03:19 C 22 39 28.29 -19 45 44.1 V 703
2018-10-27 04:11:05 C 22 39 29.13 -19 46 12.2 V 703
2018-10-27 04:18:52 C 22 39 29.94 -19 46 40.2 V 703
2018-10-27 11:35:25 C 22 40 22.82 -20 12 59.8 q D29
2018-10-27 11:55:46 C 22 40 25.04 -20 14 13.9 q D29
2018-10-27 12:16:08 C 22 40 27.25 -20 15 27.8 q D29
2018-10-29 03:49:30 C 22 45 28.15 -22 40 11.0 V 703
2018-10-29 03:57:04 C 22 45 29.10 -22 40 39.3 V 703
2018-10-29 04:04:40 C 22 45 30.02 -22 41 06.9 V 703
2018-10-29 04:12:16 C 22 45 30.97 -22 41 34.6 V 703
2018-11-04 00:21:35 C 23 07 58.95 -31 24 19.2 q 834
2018-11-04 00:58:33 C 23 08 05.46 -31 26 36.8 q 834
2018-11-05 08:30:21 C 23 14 16.04 -33 24 23.3 U T08
2018-11-05 08:44:26 C 23 14 18.73 -33 25 14.8 U T08