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
2018-08-31 12:14:41 s 1 -179080.71 4 +322286.58 8880.0 C57
2018-08-31 12:44:41 S 01 43 47.330 -49 01 18.05 V C57
2018-08-31 12:44:41 s 1 -179857.85 7 +321378.83 4700.0 C57
2018-08-31 13:14:41 S 01 43 44.352 -49 00 55.04 V C57
2018-08-31 13:14:41 s 1 -180630.56 9 +320462.92 8000.0 C57
2018-08-31 13:44:41 S 01 43 40.447 -49 00 33.80 V C57
2018-08-31 13:44:41 s 1 -181398.81 9 +319538.83 8600.0 C57
2018-08-31 14:14:41 S 01 43 37.025 -49 00 11.45 V C57
2018-08-31 14:14:41 s 1 -182162.57 5 +318606.57 6320.0 C57
2018-08-31 14:44:41 S 01 43 33.703 -48 59 53.27 V C57
2018-08-31 14:44:41 s 1 -182921.80 3 +317666.15 970.0 C57
2018-08-31 15:14:41 S 01 43 29.606 -48 59 36.13 V C57
2018-08-31 15:14:41 s 1 -183676.47 0 +316717.55 2350.0 C57
2018-08-31 15:44:41 S 01 43 26.808 -48 59 13.92 V C57
2018-08-31 15:44:41 s 1 -184426.54 3 +315760.80 280.0 C57
2018-08-31 16:14:41 S 01 43 23.287 -48 58 57.61 V C57
2018-08-31 16:14:41 s 1 -185171.99 0 +314795.87 4570.0 C57
2018-08-31 16:44:41 S 01 43 19.087 -48 58 30.58 V C57
2018-08-31 16:44:41 s 1 -185912.77 5 +313822.78 5030.0 C57
2018-08-31 19:14:41 S 01 43 01.726 -48 56 52.33 V C57
2018-08-31 19:14:41 s 1 -189545.59 5 +308834.86 3020.0 C57
2018-08-31 20:14:41 S 01 42 55.042 -48 56 11.65 V C57
2018-08-31 20:14:41 s 1 -190964.89 1 +306782.55 4540.0 C57
2018-08-31 20:44:41 S 01 42 51.254 -48 55 54.23 V C57
2018-08-31 20:44:41 s 1 -191667.14 8 +305744.15 7270.0 C57
2018-08-31 21:14:41 S 01 42 47.729 -48 55 33.02 V C57
2018-08-31 21:14:41 s 1 -192364.42 9 +304697.58 4390.0 C57
2018-08-31 22:44:41 S 01 42 37.562 -48 54 33.98 V C57
2018-08-31 22:44:41 s 1 -194426.05 8 +301508.92 9990.0 C57
2018-08-31 23:14:41 S 01 42 33.931 -48 54 13.18 V C57
2018-08-31 23:14:41 s 1 -195103.07 3 +300429.71 2570.0 C57
2018-09-01 02:44:41 S 01 42 09.031 -48 51 48.53 V C57
2018-09-01 02:44:41 s 1 -199695.57 2 +292646.67 2100.0 C57
2018-09-01 03:14:41 S 01 42 05.467 -48 51 28.44 V C57
2018-09-01 03:14:41 s 1 -200330.23 6 +291502.15 5340.0 C57
2018-09-01 03:44:41 S 01 42 02.100 -48 51 09.04 V C57
2018-09-01 03:44:41 s 1 -200959.42 9 +290349.46 170.0 C57
2018-09-01 04:14:41 S 01 41 58.776 -48 50 48.70 V C57
2018-09-01 04:14:41 s 1 -201583.11 1 +289188.62 6350.0 C57
2018-09-01 05:14:41 S 01 41 51.266 -48 50 08.74 V C57
2018-09-01 05:14:41 s 1 -202813.78 0 +286842.43 1880.0 C57
2018-09-01 05:44:41 S 01 41 48.494 -48 49 43.18 V C57
2018-09-01 05:44:41 s 1 -203420.68 5 +285657.08 770.0 C57
2018-09-01 06:14:41 S 01 41 44.556 -48 49 25.82 V C57
2018-09-01 06:14:41 s 1 -204021.91 4 +284463.57 80.0 C57
2018-09-01 07:44:41 S 01 41 34.505 -48 48 27.76 V C57
2018-09-01 07:44:41 s 1 -205791.12 3 +280834.03 8230.0 C57
2018-09-01 14:44:41 S 01 40 44.342 -48 43 31.58 V C57
2018-09-01 14:44:41 s 1 -213332.10 0 +262923.90 6460.0 C57
2018-09-01 15:44:41 S 01 40 38.162 -48 42 52.67 V C57