2013 RH21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3563062000
Semi-major axis (a)1.9976720000 AU
Inclination (i)25.92883000°
Long. of Asc. Node (Ω)167.67833000°
Arg. of Perihelion (ω)108.59416000°
Mean Anomaly (M)152.88467000°
Mean Motion (n)0.3490742300°/day
Perihelion dist (q)1.28588910 AU
Aphelion dist (Q)2.70945490 AU
Orbital Period2.82349010 yr
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.290″
Uncertainty9
Orbit TypeAmor
MOID0.444160 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-09-13
Observations (20)
Date Type RA Dec Mag Band Observatory
2013-09-03 10:41:45 C 23 38 56.511 +00 22 14.92 L F51
2013-09-03 11:03:14 C 23 38 55.903 +00 21 32.48 L F51
2013-09-03 11:24:42 C 23 38 55.304 +00 20 50.06 L F51
2013-09-04 08:19:08 C 23 38 25.615 -00 20 25.48 t 568
2013-09-04 08:20:56 C 23 38 25.570 -00 20 29.14 t 568
2013-09-04 08:22:45 C 23 38 25.520 -00 20 32.66 t 568
2013-09-04 22:56:26 C 23 38 03.44 -00 48 56.4 q K91
2013-09-04 23:08:46 C 23 38 03.08 -00 49 20.7 q K91
2013-09-04 23:21:08 C 23 38 02.73 -00 49 44.8 q K91
2013-09-05 10:39:27 C 23 37 45.30 -01 12 09.9 o 291
2013-09-05 10:41:45 C 23 37 45.21 -01 12 14.3 o 291
2013-09-05 10:44:03 C 23 37 45.17 -01 12 18.8 o 291
2013-09-12 07:20:49 C 23 33 31.95 -06 22 36.4 q G96
2013-09-12 07:33:54 C 23 33 31.59 -06 22 59.8 q G96
2013-09-12 07:46:55 C 23 33 31.19 -06 23 22.9 q G96
2013-09-12 08:49:18 C 23 33 29.35 -06 25 14.9 q G96
2013-09-12 08:55:38 C 23 33 29.16 -06 25 26.4 q G96
2013-09-13 10:34:54 C 23 32 49.42 -07 10 59.9 o 291
2013-09-13 10:38:05 C 23 32 49.35 -07 11 05.5 o 291
2013-09-13 10:41:16 C 23 32 49.25 -07 11 11.2 o 291