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
2018-09-17 19:14:41 s 1 -217318.30 4 +119347.67 0.919 C57
2018-09-17 19:44:41 S 00 47 46.169 -42 37 59.52 V C57
2018-09-17 19:44:41 s 1 -217005.28 9 +117278.07 0.728 C57
2018-09-17 20:14:41 S 00 47 41.868 -42 37 21.43 V C57
2018-09-17 20:14:41 s 1 -216677.75 8 +115200.64 0.456 C57
2018-09-17 20:44:41 S 00 47 38.287 -42 36 42.80 V C57
2018-09-17 20:44:41 s 1 -216335.54 9 +113115.43 0.008 C57
2018-09-17 21:14:41 S 00 47 34.656 -42 36 05.83 V C57
2018-09-17 21:14:41 s 1 -215976.02 7 +111021.80 0.943 C57
2018-09-18 00:14:41 S 00 47 13.656 -42 32 05.86 V C57
2018-09-18 00:14:41 s 1 -213512.46 7 +98304.079 0.937 C57
2018-09-18 00:44:41 S 00 47 09.576 -42 31 35.54 V C57
2018-09-18 00:44:41 s 1 -213046.70 2 +96158.308 0.331 C57
2018-09-18 01:14:41 S 00 47 06.442 -42 30 48.42 V C57
2018-09-18 01:14:41 s 1 -212564.68 7 +94005.222 0.587 C57
2018-09-18 02:14:41 S 00 46 59.102 -42 29 30.98 V C57
2018-09-18 02:14:41 s 1 -211551.14 9 +89677.371 0.215 C57
2018-09-18 03:44:41 S 00 46 48.298 -42 27 32.36 V C57
2018-09-18 03:44:41 s 1 -209904.14 4 +83132.451 0.629 C57
2018-09-18 04:14:41 S 00 46 44.741 -42 26 54.49 V C57
2018-09-18 04:14:41 s 1 -209320.55 2 +80936.944 0.527 C57
2018-09-18 05:14:41 S 00 46 37.289 -42 25 30.61 V C57
2018-09-18 05:14:41 s 1 -208100.23 9 +76525.623 0.182 C57
2018-09-18 05:44:41 S 00 46 33.622 -42 24 57.89 V C57
2018-09-18 05:44:41 s 1 -207463.09 1 +74309.988 0.671 C57
2018-09-18 07:14:41 S 00 46 23.462 -42 23 04.09 V C57
2018-09-18 07:14:41 s 1 -205441.04 2 +67624.329 0.122 C57
2018-09-18 07:44:41 S 00 46 19.682 -42 22 21.00 V C57
2018-09-18 07:44:41 s 1 -204729.40 4 +65383.202 0.122 C57
2018-09-18 08:14:41 S 00 46 15.950 -42 21 35.68 V C57
2018-09-18 08:14:41 s 1 -203998.56 9 +63135.969 0.135 C57
2018-09-18 08:44:41 S 00 46 12.120 -42 21 03.85 V C57
2018-09-18 08:44:41 s 1 -203248.29 9 +60882.748 0.008 C57
2018-09-18 12:44:41 S 00 45 44.410 -42 15 53.17 V C57
2018-09-18 12:44:41 s 1 -196516.68 7 +42657.091 0.76 C57
2018-09-18 13:14:41 S 00 45 40.474 -42 15 15.59 V C57
2018-09-18 13:14:41 s 1 -195580.15 6 +40356.098 0.04 C57
2018-09-18 14:44:41 S 00 45 29.959 -42 13 26.18 V C57
2018-09-18 14:44:41 s 1 -192637.22 1 +33426.764 0.143 C57
2018-09-18 15:44:41 S 00 45 22.322 -42 12 05.04 V C57
2018-09-18 15:44:41 s 1 -190561.25 1 +28787.180 0.17 C57
2018-09-18 19:14:41 S 00 44 57.910 -42 07 40.51 V C57
2018-09-18 19:14:41 s 1 -182538.72 7 +12450.409 0.126 C57
2018-09-18 20:14:41 S 00 44 50.830 -42 06 25.34 V C57
2018-09-18 20:14:41 s 1 -180019.81 3 + 7763.163 0.962 C57
2018-09-20 11:38:49 C 00 39 40.06 -41 21 02.2 U T05
2018-09-20 11:52:03 C 00 39 38.27 -41 20 43.5 U T05
2018-09-20 12:05:53 C 00 39 36.27 -41 20 23.8 U T05
2018-09-20 12:20:26 C 00 39 34.21 -41 20 03.6 U T05
2018-10-02 09:28:41 C 00 05 54.11 -33 44 45.3 U T05