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
2019-10-30 09:44:26 s 1 -170971.87 8 +244362.29 810.0 C57
2019-10-30 10:14:26 S 01 47 12.230 +19 56 33.29 V C57
2019-10-30 10:14:26 s 1 -171383.05 6 +242692.40 1800.0 C57
2019-10-30 10:44:25 S 01 47 11.393 +19 56 13.34 V C57
2019-10-30 10:44:25 s 1 -171785.98 6 +241010.95 1990.0 C57
2019-10-30 11:14:26 S 01 47 10.565 +19 55 57.36 V C57
2019-10-30 11:14:26 s 1 -172180.55 9 +239317.87 1090.0 C57
2019-10-30 11:44:26 S 01 47 09.624 +19 55 42.38 V C57
2019-10-30 11:44:26 s 1 -172566.66 3 +237613.13 8770.0 C57
2019-10-30 12:14:25 S 01 47 08.803 +19 55 21.32 V C57
2019-10-30 12:14:25 s 1 -172944.18 4 +235896.66 4710.0 C57
2019-10-31 05:46:29 C 01 47 37.95 +19 44 26.6 V 703
2019-10-31 05:54:39 C 01 47 37.61 +19 44 22.2 V 703
2019-10-31 06:02:50 C 01 47 37.25 +19 44 18.2 V 703
2019-10-31 06:11:00 C 01 47 36.91 +19 44 13.8 V 703
2019-10-31 09:13:57 C 01 47 29.88 +19 42 40.8 V T05
2019-10-31 09:21:55 C 01 47 29.53 +19 42 36.6 V T05
2019-10-31 09:26:32 C 01 47 29.33 +19 42 34.3 V T05
2019-10-31 09:41:15 C 01 47 28.67 +19 42 26.4 V T05
2019-11-01 23:27:37 C 01 46 06.58 +19 22 45.7 17.6 q J43
2019-11-01 23:39:49 C 01 46 06.09 +19 22 39.5 17.8 q J43
2019-11-01 23:52:01 C 01 46 05.60 +19 22 33.3 17.6 q J43
2019-11-02 00:04:14 C 01 46 05.11 +19 22 27.1 17.5 q J43
2019-11-02 10:23:17 C 01 45 43.96 +19 17 19.1 V T08
2019-11-02 10:31:21 C 01 45 43.65 +19 17 14.9 V T08
2019-11-02 10:52:23 C 01 45 42.83 +19 17 04.4 V T08
2019-11-02 11:03:33 C 01 45 42.40 +19 16 58.5 V T08
2019-11-02 23:25:49 C 01 45 18.71 +19 10 46.7 18.2 q J43
2019-11-02 23:37:52 C 01 45 18.26 +19 10 41.0 18.0 q J43
2019-11-02 23:49:56 C 01 45 17.81 +19 10 35.0 18.1 q J43
2019-11-03 00:01:58 C 01 45 17.36 +19 10 29.0 18.2 q J43
2019-11-04 07:24:01 C 01 44 20.65 +18 55 24.5 V T05
2019-11-04 07:29:49 C 01 44 20.46 +18 55 21.8 V T05
2019-11-04 07:48:02 C 01 44 19.83 +18 55 13.8 V T05
2019-11-04 08:02:40 C 01 44 19.32 +18 55 06.7 V T05
2019-11-04 11:04:39 C 01 44 13.065 +18 53 40.69 U F51
2019-11-04 11:24:10 C 01 44 12.409 +18 53 31.29 U F51
2019-11-04 12:03:16 C 01 44 11.111 +18 53 12.33 U F51
2019-11-05 05:01:47 C 01 43 43.95 +18 45 17.5 V G96
2019-11-05 05:09:47 C 01 43 43.70 +18 45 13.8 V G96
2019-11-05 05:17:49 C 01 43 43.44 +18 45 10.2 V G96
2019-11-05 05:25:50 C 01 43 43.18 +18 45 06.5 V G96
2019-11-08 09:56:15 C 01 41 54.64 +18 12 01.4 V T05
2019-11-08 10:00:34 C 01 41 54.49 +18 11 59.3 V T05
2019-11-08 10:08:01 C 01 41 54.32 +18 11 56.6 V T05
2019-11-08 10:22:22 C 01 41 53.96 +18 11 50.7 V T05
2019-11-14 10:43:13 C 01 39 52.527 +17 19 27.96 U F51
2019-11-14 11:00:44 C 01 39 52.315 +17 19 22.17 U F51
2019-11-14 11:18:15 C 01 39 52.114 +17 19 16.41 U F51
2019-11-14 11:35:47 C 01 39 51.911 +17 19 10.56 U F51
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)