2009 DQ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3854582771 ± 1.95e-07
Semi-major axis (a)1.5672093364 AU ± 3.96e-08
Inclination (i)16.87549723° ± 1.76e-05
Long. of Asc. Node (Ω)165.07018022° ± 5.62e-06
Arg. of Perihelion (ω)297.89880978° ± 5.25e-05
Mean Anomaly (M)215.08570470° ± 1.30e-04
Mean Motion (n)0.5023677606°/day ± 1.90e-08
Perihelion dist (q)0.96311553 AU ± 3.06e-07
Aphelion dist (Q)2.17130315 AU ± 3.10e-07
Orbital Period1.96196166 yr ± 7.43e-08
Physical Parameters
H (abs. magnitude)21.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.405″
Uncertainty0
Orbit TypeApollo
MOID0.101611 AU
Observations Used151
Oppositions3
Arc Total2009-2015
First Observation Used2009-02-20
Last Observation Used2015-04-24
Observations (160)
Date Type RA Dec Mag Band Observatory
2009-02-27 14:49:37 C 10 54 04.679 -09 24 44.81 r E12
2009-02-27 14:50:08 C 10 54 04.742 -09 24 41.18 r E12
2009-02-28 19:51:35 C 10 58 05.17 -06 02 04.6 r A78
2009-02-28 19:58:16 C 10 58 05.97 -06 01 19.0 r A78
2009-02-28 20:05:20 C 10 58 06.87 -06 00 31.2 r A78
2009-02-28 20:11:43 C 10 58 07.61 -05 59 47.6 r A78
2009-02-28 23:01:52 C 10 58 27.88 -05 40 40.2 o B84
2009-02-28 23:02:57 C 10 58 27.97 -05 40 32.4 o B84
2009-02-28 23:05:09 C 10 58 28.30 -05 40 16.8 o B84
2009-02-28 23:06:16 C 10 58 28.42 -05 40 09.5 o B84
2009-02-28 23:09:34 C 10 58 28.81 -05 39 47.3 o B84
2009-03-03 03:17:30 C 11 04 47.35 -00 06 59.1 r H53
2009-03-03 03:21:30 C 11 04 47.80 -00 06 35.7 r H53
2009-03-03 03:25:31 C 11 04 48.20 -00 06 10.6 r H53
2009-03-03 03:29:31 C 11 04 48.60 -00 05 47.2 r H53
2009-03-03 03:33:31 C 11 04 48.96 -00 05 23.7 r H53
2009-03-03 03:37:30 C 11 04 49.38 -00 04 59.0 r H53
2009-03-03 07:51:45 C 11 05 13.91 +00 20 09.9 o H55
2009-03-03 07:57:46 C 11 05 14.49 +00 20 45.5 o H55
2009-03-03 07:58:48 C 11 05 14.59 +00 20 51.8 o H55
2009-03-03 15:21:05 C 11 06 02.69 +01 05 29.9 o 474
2009-03-03 15:22:45 C 11 06 02.85 +01 05 38.9 o 474
2009-03-03 15:23:36 C 11 06 03.01 +01 05 43.7 o 474
2009-03-06 04:32:50 C 11 12 13.39 +06 30 28.2 r H26
2009-03-06 04:33:39 C 11 12 13.47 +06 30 31.6 r H26
2009-03-06 04:34:28 C 11 12 13.55 +06 30 35.8 r H26
2009-03-06 04:35:17 C 11 12 13.58 +06 30 40.2 r H26
2009-03-06 04:36:06 C 11 12 13.66 +06 30 43.9 r H26
2009-03-06 04:36:55 C 11 12 13.72 +06 30 48.5 r H26
2009-03-06 04:37:44 C 11 12 13.77 +06 30 51.9 r H26
2009-03-06 04:38:33 C 11 12 13.81 +06 30 56.0 r H26
2009-03-06 04:39:22 C 11 12 13.93 +06 30 59.9 r H26
2009-03-06 04:40:11 C 11 12 14.03 +06 31 03.8 r H26
2009-03-06 04:41:00 C 11 12 14.02 +06 31 08.3 r H26
2009-03-06 04:41:49 C 11 12 14.11 +06 31 11.9 r H26
2009-03-06 04:42:37 C 11 12 14.16 +06 31 16.1 r H26
2009-03-06 04:43:25 C 11 12 14.23 +06 31 19.6 r H26
2009-03-06 04:44:13 C 11 12 14.28 +06 31 23.7 r H26
2009-03-06 04:45:02 C 11 12 14.41 +06 31 27.5 r H26
2009-03-06 04:45:51 C 11 12 14.41 +06 31 31.1 r H26
2009-03-06 04:46:39 C 11 12 14.52 +06 31 35.7 r H26
2009-03-06 04:47:28 C 11 12 14.56 +06 31 39.4 r H26
2009-03-06 04:48:16 C 11 12 14.62 +06 31 44.1 r H26
2009-03-06 04:49:05 C 11 12 14.71 +06 31 46.9 r H26
2009-03-06 04:49:54 C 11 12 14.78 +06 31 51.6 r H26
2009-03-06 04:50:42 C 11 12 14.84 +06 31 55.5 r H26
2009-03-06 04:51:31 C 11 12 14.89 +06 31 59.3 r H26
2009-03-06 04:52:20 C 11 12 14.96 +06 32 03.7 r H26
2009-03-06 04:53:09 C 11 12 15.02 +06 32 08.0 r H26
2009-03-06 04:53:57 C 11 12 15.07 +06 32 11.0 r H26