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
2009-03-06 04:54:46 C 11 12 15.13 +06 32 15.5 r H26
2009-03-06 04:55:35 C 11 12 15.23 +06 32 19.5 r H26
2009-03-06 04:56:24 C 11 12 15.30 +06 32 23.7 r H26
2009-03-06 15:30:30 C 11 13 10.81 +07 24 21.1 w E16
2009-03-06 15:33:52 C 11 13 11.05 +07 24 37.0 w E16
2009-03-06 15:36:55 C 11 13 11.29 +07 24 51.4 w E16
2009-03-07 20:32:40 C 11 15 44.57 +09 34 43.9 v 160
2009-03-07 20:38:59 C 11 15 45.04 +09 35 10.9 v 160
2009-03-07 20:44:02 C 11 15 45.41 +09 35 33.0 v 160
2009-03-07 21:05:14 C 11 15 46.94 +09 37 04.3 c A53
2009-03-07 21:15:14 C 11 15 47.67 +09 37 48.6 c A53
2009-03-07 21:25:45 C 11 15 48.48 +09 38 33.8 c A53
2009-03-07 21:36:16 C 11 15 49.28 +09 39 19.2 c A53
2009-03-07 21:46:47 C 11 15 50.00 +09 40 05.2 c A53
2009-03-09 22:31:31 C 11 19 38.21 +12 55 40.2 c A53
2009-03-09 22:49:56 C 11 19 39.39 +12 56 49.2 c A53
2009-03-09 23:03:16 C 11 19 40.18 +12 57 38.6 c A53
2009-03-13 05:46:03 C 11 24 56.96 +17 16 08.1 o H55
2009-03-13 05:48:52 C 11 24 57.10 +17 16 16.2 o H55
2009-03-13 05:51:22 C 11 24 57.22 +17 16 23.5 o H55
2009-03-13 05:53:42 C 11 24 57.34 +17 16 30.3 o H55
2009-03-13 05:56:11 C 11 24 57.46 +17 16 37.5 o H55
2009-03-13 05:58:18 C 11 24 57.57 +17 16 43.4 o H55
2009-03-15 06:24:10 C 11 27 45.88 +19 25 57.8 o H55
2009-03-15 06:27:50 C 11 27 46.03 +19 26 06.9 o H55
2009-03-15 06:31:33 C 11 27 46.20 +19 26 15.9 o H55
2009-03-15 06:35:14 C 11 27 46.35 +19 26 24.8 o H55
2009-03-15 06:38:37 C 11 27 46.51 +19 26 33.2 o H55
2009-03-16 05:49:10 C 11 29 02.72 +20 21 31.9 r 703
2009-03-16 05:56:11 C 11 29 03.01 +20 21 47.9 r 703
2009-03-16 06:03:12 C 11 29 03.22 +20 22 03.9 r 703
2009-03-16 06:10:15 C 11 29 03.58 +20 22 20.3 r 703
2009-03-16 06:52:00 C 11 29 05.31 +20 23 55.4 r G96
2009-03-16 07:05:37 C 11 29 05.89 +20 24 26.6 r G96
2009-03-16 07:19:36 C 11 29 06.43 +20 24 58.2 r G96
2009-03-16 07:33:30 C 11 29 07.00 +20 25 29.8 r G96
2009-03-28 04:29:03 C 11 41 01.06 +27 14 37.8 r 703
2009-03-28 04:36:07 C 11 41 01.32 +27 14 43.5 r 703
2009-03-28 04:43:07 C 11 41 01.50 +27 14 50.0 r 703
2009-03-28 04:48:44 C 11 41 01.55 +27 14 53.5 r 448
2009-03-28 04:49:56 C 11 41 01.64 +27 14 54.7 r 703
2009-03-28 05:19:33 C 11 41 02.37 +27 15 18.9 r 448
2009-03-28 05:49:50 C 11 41 03.19 +27 15 43.3 r 448
2009-04-08 03:57:45 C 11 49 44.48 +29 09 51.4 o H55
2009-04-08 04:17:23 C 11 49 45.03 +29 09 54.8 o H55
2009-04-08 04:37:33 C 11 49 45.56 +29 09 57.7 o H55
2009-04-18 03:53:05 C 11 57 45.21 +29 02 47.6 o H55
2009-04-18 04:11:59 C 11 57 45.79 +29 02 44.4 o H55
2009-04-18 04:30:50 C 11 57 46.37 +29 02 41.0 o H55
2010-11-20 22:54:14 S 07 15 06.242 -59 04 13.62 L C51