2013 RD21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7370356000
Semi-major axis (a)3.1768469000 AU
Inclination (i)29.76890000°
Long. of Asc. Node (Ω)165.92063000°
Arg. of Perihelion (ω)67.32486000°
Mean Anomaly (M)82.19500000°
Mean Motion (n)0.1740642700°/day
Perihelion dist (q)0.83539760 AU
Aphelion dist (Q)5.51829620 AU
Orbital Period5.66232020 yr
Physical Parameters
H (abs. magnitude)18.36
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.470″
Uncertainty8
Orbit TypeApollo
MOID0.092925 AU
Observations Used39
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-10-05
Observations (39)
Date Type RA Dec Mag Band Observatory
2013-09-01 10:43:10 C 23 44 58.052 -03 21 40.66 L F51
2013-09-01 11:02:33 C 23 44 56.919 -03 22 01.14 L F51
2013-09-01 11:21:53 C 23 44 55.784 -03 22 21.63 L F51
2013-09-02 05:34:32 C 23 43 54.31 -03 41 27.7 q W86
2013-09-02 05:43:11 C 23 43 53.81 -03 41 36.7 q W86
2013-09-02 05:51:50 C 23 43 53.29 -03 41 45.8 q W86
2013-09-02 09:34:50 C 23 43 40.990 -03 45 46.63 t 568
2013-09-02 09:36:38 C 23 43 40.890 -03 45 48.49 t 568
2013-09-02 09:38:27 C 23 43 40.784 -03 45 50.39 t 568
2013-09-03 02:27:42 C 23 42 43.58 -04 03 29.3 t 204
2013-09-03 02:59:48 C 23 42 41.78 -04 04 02.2 t 204
2013-09-03 05:30:18 C 23 42 33.65 -04 06 38.8 u H21
2013-09-03 05:36:37 C 23 42 33.29 -04 06 45.3 u H21
2013-09-03 05:43:24 C 23 42 32.90 -04 06 52.2 u H21
2013-09-03 05:48:54 C 23 42 32.60 -04 06 57.6 u H21
2013-09-04 08:44:06 C 23 41 01.50 -04 34 47.5 q H36
2013-09-04 08:59:04 C 23 41 00.80 -04 35 04.4 q H36
2013-09-05 10:17:00 C 23 39 35.78 -05 00 53.3 o 291
2013-09-05 10:20:16 C 23 39 35.61 -05 00 56.5 o 291
2013-09-05 10:23:32 C 23 39 35.40 -05 00 59.7 o 291
2013-09-06 09:42:14 C 23 38 17.57 -05 24 30.6 o 291
2013-09-06 09:45:24 C 23 38 17.40 -05 24 33.6 o 291
2013-09-06 09:48:33 C 23 38 17.22 -05 24 36.7 o 291
2013-09-22 09:45:24 C 23 18 54.926 -10 58 07.22 V F51
2013-09-22 09:56:49 C 23 18 54.425 -10 58 15.01 V F51
2013-09-28 07:38:39 C 23 13 14.56 -12 31 44.0 o 691
2013-09-28 07:44:31 C 23 13 14.30 -12 31 47.7 o 691
2013-09-28 07:50:23 C 23 13 14.15 -12 31 50.5 o 691
2013-09-29 05:34:35 C 23 12 27.57 -12 44 43.0 o 691
2013-09-29 05:40:31 C 23 12 27.29 -12 44 46.6 o 691
2013-09-29 05:46:26 C 23 12 27.11 -12 44 50.1 o 691
2013-09-30 05:52:28 C 23 11 36.94 -12 58 38.7 o 691
2013-09-30 06:04:18 C 23 11 36.50 -12 58 44.1 o 691
2013-09-30 06:11:02 C 23 11 36.28 -12 58 49.0 o 691
2013-10-03 06:39:13 C 23 09 16.30 -13 37 29.8 o 291
2013-10-03 06:46:12 C 23 09 16.10 -13 37 32.5 o 291
2013-10-03 06:53:12 C 23 09 15.87 -13 37 37.1 o 291
2013-10-05 04:02:42 C 23 07 57.47 -13 59 36.7 o 291
2013-10-05 04:08:57 C 23 07 57.22 -13 59 40.4 o 291