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
2002-10-10 08:50:15 C 01 50 25.25 +23 52 22.0 18.2 c 704
2002-10-10 09:13:02 C 01 50 23.46 +23 52 02.1 17.1 c 704
2002-10-10 13:35:36 C 01 50 07.71 +23 48 15.7 355
2002-10-10 13:38:30 C 01 50 07.49 +23 48 12.9 355
2002-10-10 13:41:18 C 01 50 07.30 +23 48 11.4 355
2002-10-10 13:44:05 C 01 50 07.07 +23 48 08.7 355
2002-10-12 01:10:12 C 01 47 48.01 +23 18 13.8 232
2002-10-12 01:20:11 C 01 47 47.31 +23 18 06.3 232
2002-10-12 01:23:32 C 01 47 47.08 +23 18 04.0 232
2002-10-12 01:26:53 C 01 47 46.85 +23 18 01.6 232
2002-10-12 05:54:45 C 01 47 31.45 +23 14 22.5 16.9 c 704
2002-10-12 06:00:04 C 01 47 31.24 +23 14 18.4 17.0 c 704
2002-10-12 06:18:35 C 01 47 29.78 +23 14 03.2 17.0 c 704
2002-10-12 06:22:45 C 01 47 29.62 +23 14 00.2 17.1 c 704
2002-10-12 06:42:27 C 01 47 28.07 +23 13 43.8 16.6 c 704
2002-10-12 06:45:04 C 01 47 28.02 +23 13 41.9 16.7 c 704
2002-10-12 07:06:32 C 01 47 26.34 +23 13 24.1 16.5 c 704
2002-10-12 07:08:27 C 01 47 26.34 +23 13 22.8 16.6 c 704
2002-10-12 07:30:15 C 01 47 24.65 +23 13 04.5 16.4 c 704
2002-10-12 07:30:36 C 01 47 24.76 +23 13 04.5 16.7 c 704
2002-10-12 12:11:59 C 01 47 08.81 +23 09 07.8 367
2002-10-12 12:16:30 C 01 47 08.56 +23 09 05.4 367
2002-10-12 13:55:31 C 01 47 01.57 +23 07 46.9 d 379
2002-10-12 13:57:51 C 01 47 01.40 +23 07 45.1 d 379
2002-10-12 14:01:26 C 01 47 01.15 +23 07 42.2 d 379
2002-10-12 14:03:59 C 01 47 00.98 +23 07 40.0 d 379
2002-10-12 14:07:03 C 01 47 00.73 +23 07 37.7 d 379
2002-10-12 14:10:07 C 01 47 00.52 +23 07 34.9 d 379
2002-10-12 19:38:59 C 01 46 41.37 +23 02 52.0 c J93
2002-10-12 19:43:01 C 01 46 40.88 +23 02 47.3 c J93
2002-10-12 20:10:46 C 01 46 39.74 +23 02 31.4 d J87
2002-10-12 20:11:49 C 01 46 39.60 +23 02 30.3 d J87
2002-10-12 20:12:52 C 01 46 39.51 +23 02 28.7 d J87
2002-10-12 20:13:56 C 01 46 39.48 +23 02 28.3 d J87
2002-10-12 20:14:59 C 01 46 39.42 +23 02 27.7 d J87
2002-10-12 20:35:44 C 01 46 38.07 +23 02 12.2 d J87
2002-10-12 20:36:47 C 01 46 38.00 +23 02 11.2 d J87
2002-10-12 20:37:50 C 01 46 37.93 +23 02 10.2 d J87
2002-10-12 20:38:54 C 01 46 37.83 +23 02 09.2 d J87
2002-10-12 20:39:57 C 01 46 37.78 +23 02 08.4 d J87
2002-10-12 21:34:16 C 01 46 34.20 +23 01 27.4 941
2002-10-12 21:35:35 C 01 46 34.10 +23 01 26.3 941
2002-10-12 21:36:56 C 01 46 33.97 +23 01 25.5 941
2002-10-12 21:38:14 C 01 46 33.94 +23 01 24.3 941
2002-10-12 21:39:34 C 01 46 33.83 +23 01 23.3 941
2002-10-12 21:40:53 C 01 46 33.73 +23 01 22.1 941
2002-10-12 21:42:13 C 01 46 33.64 +23 01 21.1 941
2002-10-12 23:31:55 C 01 46 26.16 +22 59 54.5 939
2002-10-12 23:35:26 C 01 46 25.86 +22 59 50.5 d 170
2002-10-12 23:42:04 C 01 46 25.30 +22 59 45.4 d 170
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)