IAA RAS IAA Minor Planet Database

2021 RK1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6394979000
Semi-major axis (a)2.3680044000 AU
Inclination (i)2.49015000°
Long. of Asc. Node (Ω)170.28165000°
Arg. of Perihelion (ω)116.46958000°
Mean Anomaly (M)67.18245000°
Mean Motion (n)0.2704769900°/day
Perihelion dist (q)0.85367060 AU
Aphelion dist (Q)3.88233820 AU
Orbital Period3.64396130 yr
Physical Parameters
H (abs. magnitude)27.11
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.690″
Uncertainty7
Orbit TypeApollo
MOID0.007950 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-09-06
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-09-05 09:10:56 C 00 13 29.533 +13 16 34.19 – U F52
2021-09-05 09:26:40 C 00 13 28.746 +13 13 18.06 – U F52
2021-09-05 09:42:25 C 00 13 27.920 +13 10 02.42 – U F52
2021-09-05 09:58:12 C 00 13 27.047 +13 06 47.63 – U F52
2021-09-05 14:20:37 C 00 13 12.186 +12 14 48.09 – V F51
2021-09-05 14:21:50 C 00 13 12.136 +12 14 33.00 – V F51
2021-09-05 21:12:26 C 00 13 41.04 +11 00 52.8 – V L01
2021-09-05 21:15:25 C 00 13 41.00 +11 00 24.4 – V L01
2021-09-05 21:19:32 C 00 13 40.82 +10 59 44.7 – V L01
2021-09-05 21:22:34 C 00 13 40.15 +10 58 54.5 – V 033
2021-09-05 21:24:18 C 00 13 40.11 +10 58 38.1 – V 033
2021-09-05 21:26:03 C 00 13 40.08 +10 58 21.3 – V 033
2021-09-06 01:59:56 C 00 13 37.345 +10 17 37.79 – V J04
2021-09-06 02:08:02 C 00 13 36.923 +10 16 25.93 – V J04
2021-09-06 02:16:09 C 00 13 36.489 +10 15 14.11 – V J04
2021-09-06 06:12:40 C 00 13 42.39 +09 40 55.8 – u H21
2021-09-06 06:20:44 C 00 13 42.07 +09 39 50.2 – u H21
2021-09-06 06:24:54 C 00 13 41.87 +09 39 16.3 – u H21