IAA RAS IAA Minor Planet Database

141593 (2002 HK12)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5286540189 ± 1.47e-09
Semi-major axis (a)2.0022187484 AU ± 2.90e-10
Inclination (i)2.34839207° ± 7.71e-07
Long. of Asc. Node (Ω)306.97306043° ± 2.47e-05
Arg. of Perihelion (ω)2.27812696° ± 2.48e-05
Mean Anomaly (M)80.40266917° ± 4.58e-07
Mean Motion (n)0.3478924395°/day ± 7.56e-11
Perihelion dist (q)0.94373776 AU ± 2.95e-09
Aphelion dist (Q)3.06069974 AU ± 2.98e-09
Orbital Period2.83313511 yr ± 6.16e-10
Physical Parameters
H (abs. magnitude)18.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.333″
Uncertainty0
Orbit TypeApollo
MOID0.023961 AU
Observations Used1413
Radar Obs Used5
Oppositions22
Arc Total1985-2025
First Observation Used1985-06-11
Last Observation Used2025-11-28
Observations (1843)
Date Type RA Dec Mag Band Observatory
2019-06-02 08:37:39 C 12 44 24.226 -13 46 03.29 – U F52
2019-06-02 09:37:31 C 12 44 20.93 -13 45 11.0 – q E89
2019-06-02 09:52:28 C 12 44 19.93 -13 45 04.2 – q E89
2019-06-03 04:45:41 C 12 43 10.97 -13 37 14.3 – V G96
2019-06-03 04:53:10 C 12 43 10.47 -13 37 11.0 – V G96
2019-06-03 05:00:39 C 12 43 09.97 -13 37 07.6 – V G96
2019-06-03 05:08:07 C 12 43 09.48 -13 37 04.4 – V G96
2019-06-08 07:13:02 C 12 36 28.59 -12 45 09.7 – V T05
2019-06-08 07:17:05 C 12 36 28.36 -12 45 07.9 – V T05
2019-06-08 07:26:32 C 12 36 27.81 -12 45 03.9 – V T05
2019-06-08 07:42:44 C 12 36 26.90 -12 44 57.3 – V T05
2019-06-09 04:52:56 C 12 35 25.42 -12 36 27.5 – V 703
2019-06-09 05:00:40 C 12 35 24.94 -12 36 23.7 – V 703
2019-06-09 05:08:23 C 12 35 24.50 -12 36 20.8 – V 703
2019-06-09 05:16:07 C 12 35 24.05 -12 36 18.5 – V 703
2019-06-10 06:19:22 C 12 34 14.92 -12 26 15.5 – V T08
2019-06-10 06:27:39 C 12 34 14.49 -12 26 11.7 – V T08
2019-06-10 06:31:38 C 12 34 14.24 -12 26 10.9 – V T08
2019-06-10 06:45:43 C 12 34 13.56 -12 26 05.5 – V T08
2019-06-15 04:16:35 C 12 29 26.90 -11 41 52.2 – V 703
2019-06-15 04:24:10 C 12 29 26.59 -11 41 49.4 – V 703
2019-06-15 04:31:45 C 12 29 26.22 -11 41 46.4 – V 703
2019-06-15 04:39:19 C 12 29 25.96 -11 41 43.7 – V 703
2019-06-17 07:49:39 C 12 27 40.67 -11 23 31.3 – V T08
2019-06-17 07:54:20 C 12 27 40.51 -11 23 29.1 – V T08
2019-06-17 08:03:03 C 12 27 40.14 -11 23 26.4 – V T08
2019-06-17 08:18:40 C 12 27 39.47 -11 23 19.4 – V T08
2019-06-18 06:52:28 C 12 26 57.34 -11 15 33.7 – V T08
2019-06-18 06:57:52 C 12 26 57.12 -11 15 32.9 – V T08
2019-06-18 07:05:14 C 12 26 56.82 -11 15 30.4 – V T08
2019-06-18 07:19:20 C 12 26 56.28 -11 15 25.2 – V T08
2019-06-20 06:36:24 C 12 25 33.28 -10 59 28.6 – V T05
2019-06-20 06:41:09 C 12 25 33.10 -10 59 26.8 – V T05
2019-06-20 06:49:08 C 12 25 32.82 -10 59 24.3 – V T05
2019-06-20 07:05:52 C 12 25 32.22 -10 59 18.4 – V T05
2019-06-22 07:29:20 C 12 24 14.98 -10 43 21.8 – V T08
2019-06-22 07:34:06 C 12 24 14.82 -10 43 20.1 – V T08
2019-06-22 07:41:32 C 12 24 14.61 -10 43 17.7 – V T08
2019-06-22 07:56:54 C 12 24 14.12 -10 43 12.5 – V T08
2019-06-23 03:46:41 C 12 23 45.33 -10 36 53.6 – V 703
2019-06-23 03:55:00 C 12 23 45.09 -10 36 50.7 – V 703
2019-06-23 04:03:18 C 12 23 44.84 -10 36 48.3 – V 703
2019-06-23 04:11:36 C 12 23 44.60 -10 36 45.1 – V 703
2019-06-26 06:23:06 C 12 22 04.77 -10 12 53.5 – V T08
2019-06-26 06:28:29 C 12 22 04.61 -10 12 51.9 – V T08
2019-06-26 06:36:29 C 12 22 04.38 -10 12 49.3 – V T08
2019-06-26 06:51:17 C 12 22 03.94 -10 12 44.4 – V T08
2019-06-30 07:15:27 C 12 20 11.29 -09 41 48.3 – V T08
2019-06-30 07:20:47 C 12 20 11.16 -09 41 47.1 – V T08
2019-06-30 07:28:47 C 12 20 11.00 -09 41 44.1 – V T08
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-08-19 18:15:00 97818.94 0.3 Hz 2380 -1 -1
2019-08-10 16:40:00 72355.3839 0.2 Hz 2380 -1 -1
2019-08-10 16:54:00 70647616.76 4 us 2380 -1 -1
2019-08-11 17:34:00 68188003.7 0.5 us 2380 -1 -1
2019-08-14 16:49:00 63309552.41 0.7 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)