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
2018-09-16 11:44:41 s 1 -213362.24 4 +232987.76 860.0 C57
2018-09-16 12:14:41 S 00 51 41.921 -43 19 24.60 V C57
2018-09-16 12:14:41 s 1 -213722.40 0 +231447.80 5120.0 C57
2018-09-16 13:14:41 S 00 51 34.272 -43 18 11.09 V C57
2018-09-16 13:14:41 s 1 -214418.92 2 +228342.20 6800.0 C57
2018-09-16 14:44:41 S 00 51 22.591 -43 16 11.71 V C57
2018-09-16 14:44:41 s 1 -215403.20 5 +223619.55 6350.0 C57
2018-09-16 15:14:41 S 00 51 19.157 -43 15 28.37 V C57
2018-09-16 15:14:41 s 1 -215714.88 5 +222028.19 1820.0 C57
2018-09-16 15:44:41 S 00 51 15.494 -43 14 54.06 V C57
2018-09-16 15:44:41 s 1 -216018.23 9 +220428.26 2740.0 C57
2018-09-16 16:44:41 S 00 51 07.195 -43 13 28.99 V C57
2018-09-16 16:44:41 s 1 -216599.67 7 +217202.69 9320.0 C57
2018-09-16 17:44:41 S 00 50 59.806 -43 12 15.70 V C57
2018-09-16 17:44:41 s 1 -217146.92 4 +213942.83 2710.0 C57
2018-09-16 19:14:41 S 00 50 48.060 -43 10 12.43 V C57
2018-09-16 19:14:41 s 1 -217902.35 3 +208988.76 6690.0 C57
2018-09-16 19:44:41 S 00 50 44.640 -43 09 37.98 V C57
2018-09-16 19:44:41 s 1 -218136.39 9 +207320.27 5940.0 C57
2018-09-16 20:14:41 S 00 50 40.915 -43 08 55.10 V C57
2018-09-16 20:14:41 s 1 -218361.42 9 +205643.20 6720.0 C57
2018-09-16 21:14:41 S 00 50 33.202 -43 07 39.97 V C57
2018-09-16 21:14:41 s 1 -218784.11 9 +202263.39 1010.0 C57
2018-09-16 23:44:41 S 00 50 14.242 -43 04 15.85 V C57
2018-09-16 23:44:41 s 1 -219677.24 6 +193664.06 5130.0 C57
2018-09-17 00:14:41 S 00 50 10.366 -43 03 40.32 V C57
2018-09-17 00:14:41 s 1 -219827.13 4 +191918.54 840.0 C57
2018-09-17 01:14:41 S 00 50 03.115 -43 02 21.05 V C57
2018-09-17 01:14:41 s 1 -220097.45 5 +188401.88 3050.0 C57
2018-09-17 04:14:41 S 00 49 40.649 -42 58 25.97 V C57
2018-09-17 04:14:41 s 1 -220666.04 3 +177647.32 6900.0 C57
2018-09-17 07:44:41 S 00 49 14.359 -42 53 49.24 V C57
2018-09-17 07:44:41 s 1 -220847.36 7 +164714.14 8850.0 C57
2018-09-17 08:14:41 S 00 49 10.709 -42 53 09.24 V C57
2018-09-17 08:14:41 s 1 -220828.94 2 +162832.76 0.037 C57
2018-09-17 08:44:41 S 00 49 06.986 -42 52 29.06 V C57
2018-09-17 08:44:41 s 1 -220799.10 4 +160942.98 0.956 C57
2018-09-17 09:14:41 S 00 49 03.144 -42 51 46.48 V C57
2018-09-17 09:14:41 s 1 -220757.73 9 +159044.81 0.575 C57
2018-09-17 09:44:41 S 00 48 59.899 -42 51 11.16 V C57
2018-09-17 09:44:41 s 1 -220704.73 2 +157138.26 0.825 C57
2018-09-17 10:14:41 S 00 48 55.819 -42 50 30.44 V C57
2018-09-17 10:14:41 s 1 -220639.96 4 +155223.34 0.638 C57
2018-09-17 10:44:41 S 00 48 52.186 -42 49 56.10 V C57
2018-09-17 10:44:41 s 1 -220563.31 8 +153300.07 0.945 C57
2018-09-17 11:14:41 S 00 48 48.490 -42 49 13.12 V C57
2018-09-17 11:14:41 s 1 -220474.67 0 +151368.47 0.673 C57
2018-09-17 16:44:41 S 00 48 07.685 -42 42 01.58 V C57
2018-09-17 16:44:41 s 1 -218671.10 1 +129576.86 0.983 C57
2018-09-17 19:14:41 S 00 47 49.546 -42 38 43.30 V C57