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
2018-08-30 15:14:41 s 1 -142840.59 6 +353010.80 7440.0 C57
2018-08-30 16:14:41 S 01 46 12.816 -49 14 37.07 V C57
2018-08-30 16:14:41 s 1 -144710.46 2 +351877.10 5610.0 C57
2018-08-30 16:44:41 S 01 46 09.389 -49 14 14.96 V C57
2018-08-30 16:44:41 s 1 -145640.51 6 +351297.84 1250.0 C57
2018-08-30 17:14:41 S 01 46 05.688 -49 13 59.34 V C57
2018-08-30 17:14:41 s 1 -146567.28 4 +350710.30 1050.0 C57
2018-08-30 17:44:41 S 01 46 02.443 -49 13 38.78 V C57
2018-08-30 17:44:41 s 1 -147490.73 9 +350114.49 4850.0 C57
2018-08-30 18:14:41 S 01 45 58.318 -49 13 21.61 V C57
2018-08-30 18:14:41 s 1 -148410.85 6 +349510.43 2520.0 C57
2018-08-30 19:14:41 S 01 45 51.677 -49 12 40.28 V C57
2018-08-30 19:14:41 s 1 -150240.97 2 +348277.51 8770.0 C57
2018-08-30 19:44:41 S 01 45 48.482 -49 12 20.81 V C57
2018-08-30 19:44:41 s 1 -151150.91 8 +347648.68 7060.0 C57
2018-08-30 20:14:41 S 01 45 44.964 -49 12 02.20 V C57
2018-08-30 20:14:41 s 1 -152057.42 1 +347011.60 8570.0 C57
2018-08-30 20:44:41 S 01 45 41.201 -49 11 38.18 V C57
2018-08-30 20:44:41 s 1 -152960.45 5 +346366.27 3160.0 C57
2018-08-30 21:14:41 S 01 45 37.500 -49 11 17.77 V C57
2018-08-30 21:14:41 s 1 -153859.99 2 +345712.70 650.0 C57
2018-08-30 21:44:41 S 01 45 34.210 -49 11 01.32 V C57
2018-08-30 21:44:41 s 1 -154756.00 7 +345050.90 910.0 C57
2018-08-30 22:14:41 S 01 45 30.922 -49 10 43.61 V C57
2018-08-30 22:14:41 s 1 -155646.78 1 +344379.96 2490.0 C57
2018-08-30 22:44:41 S 01 45 27.079 -49 10 22.22 V C57
2018-08-30 22:44:41 s 1 -156535.66 6 +343701.68 7760.0 C57
2018-08-30 23:14:41 S 01 45 23.690 -49 10 05.34 V C57
2018-08-30 23:14:41 s 1 -157420.94 7 +343015.17 5300.0 C57
2018-08-30 23:44:41 S 01 45 19.346 -49 09 42.88 V C57
2018-08-30 23:44:41 s 1 -158302.59 6 +342320.44 4950.0 C57
2018-08-31 00:14:41 S 01 45 16.531 -49 09 26.82 V C57
2018-08-31 00:14:41 s 1 -159180.58 7 +341617.49 6560.0 C57
2018-08-31 03:44:41 S 01 44 51.672 -49 07 09.84 V C57
2018-08-31 03:44:41 s 1 -165221.74 6 +336466.85 8820.0 C57
2018-08-31 04:14:41 S 01 44 48.408 -49 06 50.80 V C57
2018-08-31 04:14:41 s 1 -166069.46 2 +335698.23 160.0 C57
2018-08-31 06:44:41 S 01 44 30.077 -49 05 13.78 V C57
2018-08-31 06:44:41 s 1 -170248.77 5 +331732.17 530.0 C57
2018-08-31 07:44:41 S 01 44 22.512 -49 04 36.55 V C57
2018-08-31 07:44:41 s 1 -171892.29 4 +330088.42 3200.0 C57
2018-08-31 08:44:41 S 01 44 15.610 -49 03 55.44 V C57
2018-08-31 08:44:41 s 1 -173519.33 8 +328411.93 2970.0 C57
2018-08-31 09:14:41 S 01 44 12.158 -49 03 36.22 V C57
2018-08-31 09:14:41 s 1 -174326.60 6 +327561.41 1320.0 C57
2018-08-31 10:14:41 S 01 44 05.338 -49 02 49.70 V C57
2018-08-31 10:14:41 s 1 -175928.48 0 +325835.84 4090.0 C57
2018-08-31 11:44:41 S 01 43 54.730 -49 01 55.52 V C57
2018-08-31 11:44:41 s 1 -178299.17 3 +323186.16 730.0 C57
2018-08-31 12:14:41 S 01 43 51.019 -49 01 33.53 V C57