2021 RK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4055576000
Semi-major axis (a)1.7177285000 AU
Inclination (i)14.28218000°
Long. of Asc. Node (Ω)166.19450000°
Arg. of Perihelion (ω)218.94588000°
Mean Anomaly (M)296.69986000°
Mean Motion (n)0.4377965000°/day
Perihelion dist (q)1.02109070 AU
Aphelion dist (Q)2.41436630 AU
Orbital Period2.25129180 yr
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.350″
Uncertainty8
Orbit TypeAmor
MOID0.067888 AU
Observations Used34
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-27
Observations (34)
Date Type RA Dec Mag Band Observatory
2021-09-01 08:47:24 C 23 36 16.341 +12 18 34.37 V F52
2021-09-01 09:22:39 C 23 36 26.531 +12 16 48.29 V F52
2021-09-04 01:27:14 C 23 57 58.75 +08 31 32.5 o K88
2021-09-04 01:31:29 C 23 58 00.28 +08 31 15.3 o K88
2021-09-04 11:05:08 C 00 01 37.672 +07 52 54.18 U F51
2021-09-04 11:22:13 C 00 01 43.752 +07 51 43.24 U F51
2021-09-04 11:39:14 C 00 01 49.807 +07 50 32.34 V F51
2021-09-04 11:56:36 C 00 01 55.986 +07 49 19.84 V F51
2021-09-04 21:32:20 C 00 05 41.74 +07 07 55.9 V L01
2021-09-04 21:36:04 C 00 05 43.14 +07 07 40.1 V L01
2021-09-04 21:38:52 C 00 05 44.16 +07 07 27.9 V L01
2021-09-04 21:41:50 C 00 05 45.30 +07 07 14.9 V L01
2021-09-04 22:55:05 C 00 06 12.87 +07 01 56.8 X 595
2021-09-04 23:18:58 C 00 06 21.84 +07 00 13.3 X 595
2021-09-04 23:36:53 C 00 06 28.55 +06 58 54.7 X 595
2021-09-04 23:39:36 C 00 06 29.71 +06 58 43.1 V K51
2021-09-04 23:49:03 C 00 06 33.26 +06 58 02.0 V K51
2021-09-05 00:00:10 C 00 06 37.44 +06 57 13.0 V K51
2021-09-05 00:42:12 C 00 06 53.28 +06 54 03.6 V 033
2021-09-05 00:43:01 C 00 06 53.57 +06 53 59.5 V 033
2021-09-05 00:43:50 C 00 06 53.91 +06 53 56.0 V 033
2021-09-09 12:11:00 C 00 56 04.886 -02 34 31.66 U F51
2021-09-09 12:26:26 C 00 56 12.480 -02 36 06.53 U F51
2021-09-13 08:10:12 C 01 48 32.09 -12 39 02.5 V G96
2021-09-13 08:16:57 C 01 48 36.05 -12 39 48.1 V G96
2021-09-13 08:23:44 C 01 48 39.99 -12 40 33.9 V G96
2021-09-13 08:30:30 C 01 48 43.96 -12 41 19.6 V G96
2021-09-14 08:43:53 C 02 03 43.68 -15 23 22.9 V G96
2021-09-14 08:51:22 C 02 03 48.16 -15 24 13.1 V G96
2021-09-14 08:58:51 C 02 03 52.64 -15 25 02.3 V G96
2021-09-14 09:06:21 C 02 03 57.14 -15 25 52.1 V G96
2021-09-27 15:00:57 C 05 01 32.54 -36 19 47.8 V 474
2021-09-27 15:07:51 C 05 01 35.16 -36 19 57.3 V 474
2021-09-27 15:14:47 C 05 01 37.81 -36 20 09.6 V 474