2009 RD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5416618000
Semi-major axis (a)2.5682854000 AU
Inclination (i)2.09631000°
Long. of Asc. Node (Ω)353.41656000°
Arg. of Perihelion (ω)0.90783000°
Mean Anomaly (M)330.84859000°
Mean Motion (n)0.2394634100°/day
Perihelion dist (q)1.17714330 AU
Aphelion dist (Q)3.95942750 AU
Orbital Period4.11590100 yr
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty4
Orbit TypeAmor
MOID0.169931 AU
Observations Used109
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-12-12
Observations (114)
Date Type RA Dec Mag Band Observatory
2009-09-11 15:01:38 C 21 44 25.72 -15 37 41.3 r E12
2009-09-11 15:26:27 C 21 44 27.96 -15 37 15.5 r E12
2009-09-11 15:38:48 C 21 44 29.03 -15 37 03.0 r E12
2009-09-12 02:25:21 C 21 45 34.52 -15 26 13.0 r I21
2009-09-12 02:31:12 C 21 45 35.93 -15 26 53.7 r H26
2009-09-12 02:34:41 C 21 45 36.18 -15 26 50.8 r H26
2009-09-12 02:38:02 C 21 45 36.60 -15 26 47.6 r H26
2009-09-12 02:41:21 C 21 45 36.80 -15 26 43.4 r H26
2009-09-12 02:44:44 C 21 45 37.14 -15 26 39.9 r H26
2009-09-12 02:48:06 C 21 45 37.44 -15 26 36.6 r H26
2009-09-12 02:59:49 C 21 45 37.53 -15 25 39.4 r I21
2009-09-12 03:00:35 C 21 45 38.56 -15 26 23.1 o H55
2009-09-12 03:13:52 C 21 45 39.75 -15 26 09.8 o H55
2009-09-12 03:28:34 C 21 45 41.06 -15 25 54.9 o H55
2009-09-12 06:16:22 C 21 45 55.10 -15 22 09.9 c 844
2009-09-12 06:17:57 C 21 45 55.34 -15 22 09.3 c 844
2009-09-12 06:21:05 C 21 45 55.38 -15 22 06.7 c 844
2009-09-12 06:22:40 C 21 45 55.71 -15 22 03.3 c 844
2009-09-12 06:25:44 C 21 45 56.01 -15 22 02.1 c 844
2009-09-12 06:27:19 C 21 45 56.14 -15 21 58.7 c 844
2009-09-12 06:28:54 C 21 45 56.30 -15 21 56.9 c 844
2009-09-12 07:00:01 C 21 46 00.76 -15 22 16.5 c 854
2009-09-12 07:05:32 C 21 46 01.18 -15 22 10.8 c 854
2009-09-12 07:11:04 C 21 46 01.69 -15 22 05.0 c 854
2009-09-12 09:27:33 C 21 46 17.93 -15 19 01.2 r E12
2009-09-13 02:37:12 C 21 48 00.14 -15 02 10.1 o H55
2009-09-13 02:43:05 C 21 48 00.67 -15 02 04.1 o H55
2009-09-13 02:49:29 C 21 48 01.29 -15 01 57.5 o H55
2009-09-14 03:09:33 C 21 50 29.99 -14 36 31.6 r H26
2009-09-14 03:11:59 C 21 50 30.22 -14 36 29.1 r H26
2009-09-14 03:14:18 C 21 50 30.42 -14 36 26.3 r H26
2009-09-14 03:16:37 C 21 50 30.66 -14 36 24.1 r H26
2009-09-14 03:18:57 C 21 50 30.88 -14 36 21.8 r H26
2009-09-14 03:21:17 C 21 50 31.11 -14 36 18.9 r H26
2009-09-14 03:23:36 C 21 50 31.29 -14 36 16.6 r H26
2009-09-14 03:25:56 C 21 50 31.55 -14 36 14.3 r H26
2009-09-14 03:28:16 C 21 50 31.77 -14 36 11.6 r H26
2009-09-14 04:31:14 C 21 50 38.35 -14 35 01.0 18.0 c 704
2009-09-14 04:48:18 C 21 50 39.95 -14 34 43.1 18.4 c 704
2009-09-14 05:05:15 C 21 50 41.51 -14 34 25.1 18.6 c 704
2009-09-14 05:22:14 C 21 50 43.10 -14 34 06.9 18.4 c 704
2009-09-14 05:39:13 C 21 50 44.67 -14 33 49.9 18.5 c 704
2009-09-15 01:18:59 C 21 52 49.20 -14 12 50.4 o H55
2009-09-15 01:21:42 C 21 52 49.47 -14 12 47.6 o H55
2009-09-15 01:25:01 C 21 52 49.79 -14 12 44.0 o H55
2009-09-15 01:28:02 C 21 52 50.08 -14 12 40.9 o H55
2009-09-15 01:31:04 C 21 52 50.38 -14 12 37.8 o H55
2009-09-15 13:59:19 C 21 54 06.87 -13 58 24.0 r E12
2009-09-16 03:33:52 C 21 55 35.13 -13 44 23.9 r H26
2009-09-16 03:36:19 C 21 55 35.35 -13 44 21.6 r H26