185702 (1998 HK3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3002429039 ± 1.05e-07
Semi-major axis (a)1.8281033897 AU ± 8.14e-09
Inclination (i)24.69535276° ± 1.43e-05
Long. of Asc. Node (Ω)27.07958027° ± 1.28e-05
Arg. of Perihelion (ω)267.63340906° ± 2.62e-05
Mean Anomaly (M)356.05859320° ± 2.36e-05
Mean Motion (n)0.3987595941°/day ± 2.66e-09
Perihelion dist (q)1.27922832 AU ± 1.92e-07
Aphelion dist (Q)2.37697846 AU ± 1.93e-07
Orbital Period2.47173058 yr ± 1.65e-08
Physical Parameters
H (abs. magnitude)18.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.974″
Uncertainty0
Orbit TypeAmor
MOID0.488196 AU
Observations Used875
Oppositions16
Arc Total1998-2025
First Observation Used1998-04-20
Last Observation Used2025-03-19
Observations (1387)
Date Type RA Dec Mag Band Observatory
1998-04-20 03:32:26 C 12 32 13.34 +05 30 17.8 19.4 a 704
1998-04-20 04:01:28 C 12 32 10.91 +05 30 04.5 20.0 a 704
1998-04-20 04:30:40 C 12 32 08.17 +05 29 47.1 19.7 a 704
1998-04-20 05:00:44 C 12 32 05.42 +05 29 29.5 19.8 a 704
1998-04-20 05:29:41 C 12 32 02.65 +05 29 11.9 20.0 a 704
1998-04-20 20:40:11 C 12 30 42.90 +05 20 14.0 557
1998-04-20 20:43:02 C 12 30 42.69 +05 20 13.0 557
1998-04-20 20:45:53 C 12 30 42.38 +05 20 11.2 557
1998-04-20 21:04:05 C 12 30 40.82 +05 20 00.9 046
1998-04-20 21:10:35 C 12 30 40.30 +05 19 56.0 046
1998-04-20 21:14:44 C 12 30 39.90 +05 19 54.3 046
1998-04-21 03:34:17 C 12 30 06.99 +05 16 10.8 19.6 a 704
1998-04-21 03:39:23 C 12 30 06.66 +05 16 08.6 19.6 a 704
1998-04-21 03:49:02 C 12 30 05.72 +05 16 02.0 19.9 a 704
1998-04-21 03:54:11 C 12 30 05.29 +05 16 02.1 20.1 a 704
1998-04-21 03:59:01 C 12 30 04.68 +05 15 57.7 19.6 a 704
1998-04-21 04:03:50 C 12 30 04.23 +05 15 55.5 19.6 a 704
1998-04-21 04:08:41 C 12 30 03.91 +05 15 53.1 19.6 a 704
1998-04-21 04:13:30 C 12 30 03.41 +05 15 48.9 19.6 a 704
1998-04-21 20:16:41 C 12 28 39.93 +05 06 07.6 046
1998-04-21 20:19:25 C 12 28 39.70 +05 06 06.0 046
1998-04-21 20:22:16 C 12 28 39.44 +05 06 04.7 046
1998-04-21 20:25:08 C 12 28 39.24 +05 06 03.0 046
1998-04-22 00:29:06 C 12 28 17.66 +05 03 35.2 557
1998-04-22 00:32:55 C 12 28 17.34 +05 03 32.9 557
1998-04-22 00:36:58 C 12 28 16.90 +05 03 30.0 557
1998-04-22 03:38:51 C 12 28 02.06 +05 01 43.0 19.5 a 704
1998-04-22 04:05:59 C 12 27 59.62 +05 01 25.8 19.0 a 704
1998-04-22 04:33:00 C 12 27 57.17 +05 01 09.0 18.9 a 704
1998-04-22 05:00:16 C 12 27 55.01 +05 00 50.1 18.3 a 704
1998-04-22 05:27:17 C 12 27 52.43 +05 00 37.0 18.9 a 704
1998-04-22 19:43:16 C 12 26 39.53 +04 51 49.3 046
1998-04-22 19:46:12 C 12 26 39.15 +04 51 47.5 046
1998-04-22 19:49:43 C 12 26 38.85 +04 51 44.3 046
1998-04-22 19:55:41 C 12 26 38.30 +04 51 40.8 046
1998-04-22 20:54:04 C 12 26 33.21 +04 51 05.3 557
1998-04-22 20:58:04 C 12 26 32.83 +04 51 02.6 557
1998-04-22 22:40:50 C 12 26 23.90 +04 49 58.7 118
1998-04-22 22:44:53 C 12 26 23.48 +04 49 56.2 118
1998-04-22 22:55:58 C 12 26 22.55 +04 49 49.2 118
1998-04-23 21:22:01 C 12 24 29.29 +04 35 47.9 046
1998-04-23 21:25:16 C 12 24 28.97 +04 35 45.1 046
1998-04-23 21:28:42 C 12 24 28.67 +04 35 43.7 046
1998-04-23 21:38:45 C 12 24 27.82 +04 35 36.6 557
1998-04-23 21:42:44 C 12 24 27.48 +04 35 34.3 557
1998-04-27 20:53:52 C 12 16 47.15 +03 33 11.6 118
1998-04-27 21:36:35 C 12 16 43.81 +03 32 43.5 118
1998-05-01 22:13:55 C 12 09 38.10 +02 25 14.6 557
1998-05-01 22:21:19 C 12 09 37.50 +02 25 10.8 557
1998-05-01 22:25:01 C 12 09 37.23 +02 25 07.6 557