IAA RAS IAA Minor Planet Database

2021 HK2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4102591000
Semi-major axis (a)1.8102618000 AU
Inclination (i)1.24004000°
Long. of Asc. Node (Ω)170.51146000°
Arg. of Perihelion (ω)33.76435000°
Mean Anomaly (M)319.14723000°
Mean Motion (n)0.4046616000°/day
Perihelion dist (q)1.06758540 AU
Aphelion dist (Q)2.55293820 AU
Orbital Period2.43563430 yr
Physical Parameters
H (abs. magnitude)24.93
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.960″
Uncertainty6
Orbit TypeAmor
MOID0.065197 AU
Observations Used57
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-06-12
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-04-19 05:44:24 C 11 18 59.06 +13 53 23.5 – V G96
2021-04-19 05:51:21 C 11 19 00.74 +13 53 17.6 – V G96
2021-04-19 05:58:16 C 11 19 02.62 +13 53 11.5 – V G96
2021-04-19 06:05:12 C 11 19 04.39 +13 53 03.8 – V G96
2021-04-19 07:31:10 C 11 19 27.10 +13 51 44.1 – V V06
2021-04-19 07:36:20 C 11 19 28.48 +13 51 38.8 – V V06
2021-04-19 07:41:29 C 11 19 29.87 +13 51 34.5 – V V06
2021-04-19 07:46:39 C 11 19 31.24 +13 51 28.7 – V V06
2021-04-20 02:59:35 C 11 25 12.86 +13 33 37.7 – V I52
2021-04-20 03:04:26 C 11 25 14.16 +13 33 32.8 – V I52
2021-04-20 03:09:16 C 11 25 15.50 +13 33 29.1 – V I52
2021-04-20 03:14:07 C 11 25 16.82 +13 33 24.6 – V I52
2021-04-20 20:45:19 C 11 30 26.69 +13 15 30.5 – V 033
2021-04-20 20:49:04 C 11 30 27.73 +13 15 26.7 – V 033
2021-04-20 20:52:48 C 11 30 28.76 +13 15 22.9 – V 033
2021-04-20 22:37:30 C 11 30 58.25 +13 13 40.4 – V 587
2021-04-20 22:39:36 C 11 30 58.84 +13 13 38.1 – V 587
2021-04-27 21:10:45 C 12 24 48.48 +09 34 29.5 – V 033
2021-04-27 21:11:55 C 12 24 48.85 +09 34 27.6 – V 033
2021-04-27 23:44:30 C 12 25 37.58 +09 30 24.9 – V 033
2021-04-27 23:46:10 C 12 25 38.10 +09 30 22.3 – V 033
2021-04-27 23:47:49 C 12 25 38.61 +09 30 19.4 – V 033
2021-04-28 20:43:40 C 12 32 47.13 +08 56 43.5 – V 033
2021-04-28 20:46:50 C 12 32 48.14 +08 56 38.8 – V 033
2021-04-28 20:49:59 C 12 32 49.13 +08 56 33.7 – V 033
2021-04-29 06:18:59 C 12 36 05.104 +08 41 44.49 – U F51
2021-04-29 06:35:30 C 12 36 10.294 +08 41 17.79 – U F51
2021-04-29 06:52:03 C 12 36 15.503 +08 40 50.55 – U F51
2021-04-29 07:08:34 C 12 36 20.621 +08 40 23.95 – U F51
2021-04-29 23:53:32 C 12 41 56.16 +08 11 30.3 – V 033
2021-04-29 23:56:36 C 12 41 57.15 +08 11 25.1 – V 033
2021-05-04 06:52:24 C 13 16 21.51 +05 09 46.0 – o 691
2021-05-04 07:25:12 C 13 16 31.44 +05 08 45.4 – o 691
2021-05-04 07:58:02 C 13 16 41.35 +05 07 45.3 – o 691
2021-05-06 01:35:20 C 13 30 08.68 +03 53 26.9 – u 807
2021-05-06 01:41:13 C 13 30 10.40 +03 53 16.2 – u 807
2021-05-06 01:48:03 C 13 30 12.42 +03 53 03.9 – u 807
2021-05-09 06:52:00 C 13 53 36.31 +01 31 50.7 – V G96
2021-05-09 06:59:29 C 13 53 38.33 +01 31 37.3 – V G96
2021-05-09 07:06:59 C 13 53 40.35 +01 31 24.0 – V G96
2021-05-09 07:14:28 C 13 53 42.34 +01 31 10.6 – V G96
2021-05-10 07:47:58 C 14 00 45.45 +00 47 48.8 – V I52
2021-05-10 07:49:46 C 14 00 45.94 +00 47 45.2 – V I52
2021-05-10 07:51:35 C 14 00 46.36 +00 47 42.7 – V I52
2021-05-10 07:53:24 C 14 00 46.82 +00 47 39.2 – V I52
2021-05-19 07:33:01 C 14 53 18.93 -04 50 57.5 – V V00
2021-05-19 07:33:49 C 14 53 19.07 -04 50 58.4 – V V00
2021-05-19 07:40:04 C 14 53 20.24 -04 51 06.8 – V V00
2021-05-19 07:40:51 C 14 53 20.37 -04 51 07.9 – V V00
2021-05-19 07:47:06 C 14 53 21.54 -04 51 16.4 – V V00