2009 DP4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4354076000
Semi-major axis (a)1.6458992000 AU
Inclination (i)19.29706000°
Long. of Asc. Node (Ω)339.96214000°
Arg. of Perihelion (ω)119.81520000°
Mean Anomaly (M)356.92271000°
Mean Motion (n)0.4667660200°/day
Perihelion dist (q)0.92926220 AU
Aphelion dist (Q)2.36253620 AU
Orbital Period2.11156690 yr
Physical Parameters
H (abs. magnitude)23.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.470″
Uncertainty7
Orbit TypeApollo
MOID0.079058 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-03-04
Observations (33)
Date Type RA Dec Mag Band Observatory
2009-02-20 11:23:54 C 13 13 39.82 +09 36 02.4 r 703
2009-02-20 11:32:35 C 13 13 35.97 +09 35 02.8 r 703
2009-02-20 11:41:28 C 13 13 31.94 +09 34 00.9 r 703
2009-02-20 11:50:04 C 13 13 28.09 +09 33 01.6 r 703
2009-02-20 12:31:33 C 13 13 09.40 +09 28 13.6 r 703
2009-02-20 12:32:29 C 13 13 09.01 +09 28 09.6 r 703
2009-02-20 12:33:23 C 13 13 08.36 +09 28 01.5 r 703
2009-02-20 12:34:09 C 13 13 08.11 +09 27 58.5 r 703
2009-02-20 12:39:04 C 13 13 05.91 +09 27 23.2 r 703
2009-02-20 12:41:11 C 13 13 04.98 +09 27 07.7 r 703
2009-02-20 12:42:58 C 13 13 04.15 +09 26 56.4 r 703
2009-02-20 12:45:08 C 13 13 03.18 +09 26 41.1 r 703
2009-02-20 23:24:44 C 13 08 33.97 +08 13 19.4 o B04
2009-02-20 23:29:07 C 13 08 32.01 +08 12 49.6 o B04
2009-02-20 23:32:02 C 13 08 30.72 +08 12 29.7 o B04
2009-02-21 00:13:19 C 13 08 12.58 +08 07 49.3 o B04
2009-02-21 02:24:18 C 13 07 15.73 +07 53 11.3 r 493
2009-02-21 02:25:18 C 13 07 15.28 +07 53 05.3 r 493
2009-02-21 02:26:17 C 13 07 14.87 +07 52 58.0 r 493
2009-02-21 07:57:12 C 13 04 57.18 +07 15 46.1 c 854
2009-02-21 08:05:34 C 13 04 53.51 +07 14 48.6 c 854
2009-02-21 08:13:56 C 13 04 49.83 +07 13 53.4 c 854
2009-02-21 08:34:35 C 13 04 40.51 +07 11 32.4 v H01
2009-02-21 08:40:03 C 13 04 38.14 +07 10 56.4 v H01
2009-02-21 08:47:37 C 13 04 34.82 +07 10 05.3 v H01
2009-02-23 09:50:20 C 12 44 50.03 +01 53 25.2 o H55
2009-02-23 09:54:22 C 12 44 48.41 +01 53 00.1 o H55
2009-02-23 09:58:22 C 12 44 46.82 +01 52 35.5 o H55
2009-02-23 10:02:22 C 12 44 45.22 +01 52 11.3 o H55
2009-03-04 12:17:54 C 11 37 59.59 -14 35 20.2 o 474
2009-03-04 12:20:05 C 11 37 59.04 -14 35 26.6 o 474
2009-03-04 12:22:14 C 11 37 58.43 -14 35 34.2 o 474
2009-03-04 12:24:25 C 11 37 57.95 -14 35 41.0 o 474