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
2009-09-16 03:38:38 C 21 55 35.64 -13 44 18.5 r H26
2009-09-18 01:52:45 C 22 00 38.98 -12 52 48.8 o H55
2009-09-18 02:00:15 C 22 00 39.75 -12 52 40.7 o H55
2009-09-18 02:08:03 C 22 00 40.56 -12 52 32.0 o H55
2009-09-19 02:12:46 C 22 03 21.87 -12 25 09.2 o H55
2009-09-19 02:15:12 C 22 03 22.12 -12 25 06.1 o H55
2009-09-19 02:16:50 C 22 03 22.31 -12 25 04.2 o H55
2009-09-19 02:20:06 C 22 03 22.67 -12 25 00.6 o H55
2009-09-19 02:25:19 C 22 03 23.18 -12 24 54.7 o H55
2009-09-19 02:35:49 C 22 03 24.26 -12 24 43.3 o H55
2009-09-19 20:34:09 C 22 05 26.18 -12 04 05.6 v 204
2009-09-19 20:39:27 C 22 05 26.74 -12 03 59.3 v 204
2009-09-19 23:17:52 C 22 05 43.44 -12 00 55.7 v 204
2009-09-20 21:32:04 C 22 08 18.01 -11 35 00.4 r J75
2009-09-20 21:35:10 C 22 08 18.34 -11 34 57.0 r J75
2009-09-20 21:51:28 C 22 08 20.07 -11 34 37.6 r J75
2009-09-20 21:54:38 C 22 08 20.42 -11 34 34.7 r J75
2009-09-20 22:10:55 C 22 08 22.13 -11 34 15.0 r J75
2009-09-20 22:14:05 C 22 08 22.47 -11 34 11.4 r J75
2009-09-21 04:40:36 C 22 09 07.70 -11 26 35.4 r 703
2009-09-21 04:50:04 C 22 09 08.67 -11 26 24.0 r 703
2009-09-21 04:59:41 C 22 09 09.75 -11 26 12.5 r 703
2009-09-21 05:09:20 C 22 09 10.76 -11 26 02.0 r 703
2009-09-21 05:34:42 C 22 09 13.42 -11 25 32.3 r G96
2009-09-21 05:45:05 C 22 09 14.50 -11 25 19.9 r G96
2009-09-21 05:55:19 C 22 09 15.62 -11 25 08.0 r G96
2009-09-21 06:05:32 C 22 09 16.66 -11 24 56.0 r G96
2009-09-26 23:25:09 C 22 25 44.29 -08 40 03.6 w J24
2009-09-26 23:36:31 C 22 25 45.58 -08 39 49.7 w J24
2009-09-27 04:01:29 C 22 26 19.14 -08 34 29.3 r 703
2009-09-27 04:12:08 C 22 26 20.43 -08 34 16.1 r 703
2009-09-27 04:22:46 C 22 26 21.62 -08 34 03.4 r 703
2009-09-27 04:33:20 C 22 26 22.77 -08 33 49.9 r 703
2009-09-27 11:12:51 C 22 27 11.99 -08 25 01.7 r E12
2009-09-27 11:45:17 C 22 27 15.66 -08 24 22.4 r E12
2009-10-05 02:20:34 C 22 50 06.36 -04 43 35.7 o H55
2009-10-05 02:23:26 C 22 50 06.72 -04 43 32.5 o H55
2009-10-05 02:32:37 C 22 50 07.78 -04 43 21.1 o H55
2009-10-07 10:38:56 C 22 57 10.32 -03 36 20.0 o E10
2009-10-07 10:40:42 C 22 57 10.55 -03 36 18.9 o E10
2009-10-07 10:42:13 C 22 57 10.74 -03 36 16.3 o E10
2009-10-07 10:43:56 C 22 57 10.89 -03 36 15.6 o E10
2009-10-09 12:25:31 C 23 03 22.13 -02 38 50.1 r E12
2009-10-09 12:56:04 C 23 03 25.65 -02 38 15.2 r E12
2009-10-15 03:45:56 C 23 19 59.24 -00 10 38.7 19.1 c 704
2009-10-15 04:04:54 C 23 20 01.33 -00 10 19.0 19.7 c 704
2009-10-15 04:23:51 C 23 20 03.48 -00 09 58.7 19.6 c 704
2009-10-15 04:42:49 C 23 20 05.63 -00 09 38.2 19.5 c 704
2009-10-15 05:01:48 C 23 20 07.77 -00 09 19.3 19.3 c 704
2009-10-22 05:57:22 C 23 40 01.70 +02 38 05.5 r 703