IAA RAS IAA Minor Planet Database

2021 RK12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3079703000
Semi-major axis (a)0.9179695000 AU
Inclination (i)8.83229000°
Long. of Asc. Node (Ω)341.50548000°
Arg. of Perihelion (ω)228.57430000°
Mean Anomaly (M)27.78357000°
Mean Motion (n)1.1206285300°/day
Perihelion dist (q)0.63526220 AU
Aphelion dist (Q)1.20067680 AU
Orbital Period0.87951320 yr
Physical Parameters
H (abs. magnitude)26.09
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.780″
Uncertainty5
Orbit TypeAten
MOID0.014542 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-09-13
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-09-09 06:26:59 C 23 42 59.88 +13 08 18.5 – V G96
2021-09-09 06:34:25 C 23 42 55.89 +13 08 18.1 – V G96
2021-09-10 09:09:36 C 23 29 46.409 +13 02 50.29 – U F52
2021-09-10 09:37:24 C 23 29 32.568 +13 02 43.90 – U F52
2021-09-10 09:51:19 C 23 29 25.637 +13 02 40.45 – U F52
2021-09-10 13:18:42 C 23 27 43.212 +13 01 36.90 – V F51
2021-09-10 13:19:38 C 23 27 42.754 +13 01 36.89 – V F51
2021-09-11 08:03:23 C 23 19 29.58 +12 55 31.2 – o 291
2021-09-11 08:10:19 C 23 19 26.42 +12 55 29.5 – o 291
2021-09-11 08:17:18 C 23 19 23.27 +12 55 26.9 – o 291
2021-09-13 00:00:31 C 23 03 52.76 +12 40 00.2 – V 033
2021-09-13 00:03:26 C 23 03 51.69 +12 39 59.0 – V 033
2021-09-13 00:06:21 C 23 03 50.54 +12 39 57.7 – V 033
2021-09-13 00:09:15 C 23 03 49.48 +12 39 56.6 – V 033
2021-09-13 05:26:13 C 23 01 58.74 +12 38 04.4 – u H21
2021-09-13 05:43:45 C 23 01 52.20 +12 37 57.2 – u H21
2021-09-13 05:58:38 C 23 01 46.64 +12 37 51.0 – u H21