2013 RB21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5552800787 ± 3.64e-07
Semi-major axis (a)1.6526244156 AU ± 1.13e-07
Inclination (i)28.97316393° ± 6.68e-05
Long. of Asc. Node (Ω)160.40828437° ± 1.61e-05
Arg. of Perihelion (ω)308.10754689° ± 3.00e-05
Mean Anomaly (M)211.27932392° ± 2.19e-04
Mean Motion (n)0.4639284747°/day ± 4.77e-08
Perihelion dist (q)0.73495500 AU ± 6.04e-07
Aphelion dist (Q)2.57029383 AU ± 6.27e-07
Orbital Period2.12452207 yr ± 2.19e-07
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.215″
Uncertainty0
Orbit TypeApollo
MOID0.117212 AU
Observations Used28
Oppositions1
Arc Total2013-2015
First Observation Used2013-09-01
Last Observation Used2015-10-07
Observations (29)
Date Type RA Dec Mag Band Observatory
2013-09-01 10:16:58 C 23 27 48.709 -07 31 44.48 L F51
2013-09-01 10:36:24 C 23 27 47.636 -07 32 16.48 L F51
2013-09-01 11:15:08 C 23 27 45.476 -07 33 20.79 L F51
2013-09-02 09:16:21 C 23 26 35.621 -08 10 13.43 t 568
2013-09-02 09:18:10 C 23 26 35.523 -08 10 16.41 t 568
2013-09-02 09:19:58 C 23 26 35.410 -08 10 19.60 t 568
2013-09-05 07:10:55 C 23 22 34.96 -10 13 03.7 o 291
2013-09-05 07:15:26 C 23 22 34.67 -10 13 11.4 o 291
2013-09-05 07:19:59 C 23 22 34.39 -10 13 20.1 o 291
2013-09-13 08:32:45 C 23 09 18.51 -16 31 41.7 o 291
2013-09-13 08:42:39 C 23 09 17.72 -16 32 02.2 o 291
2013-09-13 08:52:36 C 23 09 16.92 -16 32 22.9 o 291
2013-09-14 08:48:00 C 23 07 26.28 -17 22 18.1 o 291
2013-09-14 08:54:11 C 23 07 25.78 -17 22 30.8 o 291
2013-09-14 09:00:25 C 23 07 25.29 -17 22 43.3 o 291
2013-09-23 02:16:59 C 22 49 52.48 -24 50 21.6 u 807
2013-09-23 02:26:15 C 22 49 51.61 -24 50 41.9 u 807
2013-09-23 02:35:30 C 22 49 50.75 -24 51 01.8 u 807
2013-10-10 00:54:48 C 22 14 06.24 -37 55 55.7 u 807
2013-10-10 01:06:11 C 22 14 05.29 -37 56 14.0 u 807
2013-10-10 01:18:39 C 22 14 04.28 -37 56 34.3 u 807
2014-02-20 12:09:05 C 17 18 50.03 -03 56 41.1 o 291
2014-02-20 12:22:45 C 17 18 50.39 -03 56 01.6 o 291
2015-09-17 09:36:30 C 21 00 50.043 -10 24 44.16 t 568
2015-09-17 09:47:11 C 21 00 49.472 -10 24 55.04 t 568
2015-10-07 06:48:19 C 20 45 06.593 -17 37 03.86 t 568
2015-10-07 07:03:04 C 20 45 06.379 -17 37 15.18 t 568
2015-10-07 07:17:40 C 20 45 06.134 -17 37 26.58 t 568
2015-10-07 07:32:22 C 20 45 05.921 -17 37 37.58 t 568