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
2019-07-18 06:21:15 C 12 09 28.62 -06 25 08.4 V T05
2019-07-18 06:24:35 C 12 09 28.46 -06 25 06.2 V T05
2019-07-18 06:29:39 C 12 09 28.19 -06 25 02.2 V T05
2019-07-18 06:43:48 C 12 09 27.42 -06 24 51.5 V T05
2019-08-31 12:53:15 C 04 51 02.55 +37 09 30.4 V T08
2019-08-31 12:59:04 C 04 51 00.23 +37 09 27.0 V T08
2019-08-31 13:08:09 C 04 50 56.64 +37 09 22.3 V T08
2019-08-31 13:27:24 C 04 50 48.95 +37 09 11.7 V T08
2019-09-02 11:39:43 C 04 34 44.23 +36 33 35.8 V T05
2019-09-02 11:50:02 C 04 34 40.79 +36 33 29.6 V T05
2019-09-02 11:54:41 C 04 34 39.23 +36 33 26.9 V T05
2019-09-02 12:09:48 C 04 34 34.19 +36 33 17.7 V T05
2019-09-03 12:23:40 S 04 26 55.56 +36 13 40.1 L C51
2019-09-03 15:32:43 S 04 25 59.62 +36 11 10.4 L C51
2019-09-03 17:06:58 S 04 25 32.00 +36 09 54.1 L C51
2019-09-03 18:41:13 S 04 25 04.44 +36 08 37.6 L C51
2019-09-03 20:15:28 S 04 24 37.08 +36 07 21.4 L C51
2019-09-03 23:23:47 S 04 23 42.82 +36 04 47.2 L C51
2019-09-04 10:21:12 C 04 20 44.68 +35 55 56.7 V 703
2019-09-04 10:29:00 C 04 20 42.36 +35 55 50.2 V 703
2019-09-04 10:36:47 C 04 20 40.03 +35 55 44.3 V 703
2019-09-04 10:44:36 C 04 20 37.65 +35 55 39.6 V 703
2019-09-07 13:22:04 C 04 02 03.46 +34 55 04.2 V T08
2019-09-07 13:26:09 C 04 02 02.46 +34 55 01.3 V T08
2019-09-07 13:36:35 C 04 01 59.89 +34 54 53.8 V T08
2019-09-07 13:52:51 C 04 01 55.89 +34 54 41.7 V T08
2019-09-11 14:46:28 C 03 42 34.54 +33 38 18.6 V T08
2019-09-11 14:52:14 C 03 42 33.39 +33 38 14.1 V T08
2019-09-11 15:01:35 C 03 42 31.52 +33 38 06.9 V T08
2019-09-11 15:15:06 C 03 42 28.83 +33 37 56.3 V T08
2019-09-12 22:11:45 C 03 37 11.55 +33 13 40.2 q L34
2019-09-12 22:15:23 C 03 37 10.90 +33 13 37.8 q L34
2019-09-12 22:18:54 C 03 37 10.35 +33 13 36.0 q L34
2019-09-13 14:42:32 C 03 34 23.46 +33 01 52.1 V T05
2019-09-13 14:50:30 C 03 34 21.97 +33 01 46.1 V T05
2019-09-13 15:06:44 C 03 34 19.03 +33 01 33.5 V T05
2019-09-13 15:12:13 C 03 34 18.02 +33 01 29.3 V T05
2019-09-14 03:03:21 C 03 32 24.22 +32 52 13.4 q 160
2019-09-14 03:06:25 C 03 32 23.67 +32 52 11.0 q 160
2019-09-14 03:09:29 C 03 32 23.15 +32 52 08.9 q 160
2019-09-14 13:10:49 C 03 30 49.082 +32 45 02.88 U F52
2019-09-14 13:27:42 C 03 30 46.121 +32 44 50.93 U F52
2019-09-14 13:44:47 C 03 30 43.111 +32 44 38.64 U F52
2019-09-17 02:56:52 C 03 21 31.87 +31 59 16.0 q 160
2019-09-17 02:59:15 C 03 21 31.50 +31 59 13.9 q 160
2019-09-17 03:02:03 C 03 21 31.05 +31 59 11.5 q 160
2019-09-22 08:51:51 C 03 04 45.80 +30 28 36.4 V 703
2019-09-22 08:59:29 C 03 04 44.75 +30 28 29.4 V 703
2019-09-22 09:07:08 C 03 04 43.65 +30 28 24.7 V 703
2019-09-22 09:14:49 C 03 04 42.60 +30 28 19.3 V 703
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)