IAA RAS IAA Minor Planet Database

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
2018-09-14 21:44:41 s 1 -167067.27 9 +325151.43 1000.0 – C57
2018-09-14 22:44:41 S 00 56 38.546 -44 07 57.54 – V C57
2018-09-14 22:44:41 s 1 -168679.07 0 +323350.58 1570.0 – C57
2018-09-14 23:14:41 S 00 56 34.781 -44 07 18.26 – V C57
2018-09-14 23:14:41 s 1 -169478.40 5 +322437.55 8710.0 – C57
2018-09-14 23:44:41 S 00 56 30.506 -44 06 41.47 – V C57
2018-09-14 23:44:41 s 1 -170273.32 2 +321516.13 3510.0 – C57
2018-09-15 00:14:41 S 00 56 26.194 -44 06 00.07 – V C57
2018-09-15 00:14:41 s 1 -171063.78 8 +320586.32 5770.0 – C57
2018-09-15 01:14:41 S 00 56 18.050 -44 04 47.32 – V C57
2018-09-15 01:14:41 s 1 -172631.22 9 +318701.49 1880.0 – C57
2018-09-15 01:44:41 S 00 56 14.635 -44 04 07.25 – V C57
2018-09-15 01:44:41 s 1 -173408.13 5 +317746.47 5340.0 – C57
2018-09-15 02:14:41 S 00 56 10.094 -44 03 25.78 – V C57
2018-09-15 02:14:41 s 1 -174180.45 4 +316783.05 5460.0 – C57
2018-09-15 02:44:41 S 00 56 06.254 -44 02 53.52 – V C57
2018-09-15 02:44:41 s 1 -174948.14 8 +315811.23 2060.0 – C57
2018-09-15 03:14:41 S 00 56 02.064 -44 02 05.28 – V C57
2018-09-15 03:14:41 s 1 -175711.18 5 +314831.01 4920.0 – C57
2018-09-15 04:14:41 S 00 55 54.370 -44 00 52.24 – V C57
2018-09-15 04:14:41 s 1 -177223.14 1 +312845.34 8630.0 – C57
2018-09-15 04:44:41 S 00 55 50.616 -44 00 18.54 – V C57
2018-09-15 04:44:41 s 1 -177971.98 9 +311839.90 9070.0 – C57
2018-09-15 05:14:41 S 00 55 45.941 -43 59 36.06 – V C57
2018-09-15 05:14:41 s 1 -178716.03 5 +310826.05 4960.0 – C57
2018-09-15 06:44:41 S 00 55 33.881 -43 57 41.98 – V C57
2018-09-15 06:44:41 s 1 -180918.99 6 +307734.01 3190.0 – C57
2018-09-15 07:14:41 S 00 55 29.707 -43 57 00.61 – V C57
2018-09-15 07:14:41 s 1 -181643.46 8 +306686.51 8750.0 – C57
2018-09-15 07:44:41 S 00 55 26.482 -43 56 32.89 – V C57
2018-09-15 07:44:41 s 1 -182362.95 2 +305630.58 8700.0 – C57
2018-09-15 08:14:41 S 00 55 21.907 -43 55 48.97 – V C57
2018-09-15 08:14:41 s 1 -183077.41 2 +304566.24 2810.0 – C57
2018-09-15 08:44:41 S 00 55 17.741 -43 55 06.13 – V C57
2018-09-15 08:44:41 s 1 -183786.80 8 +303493.47 880.0 – C57
2018-09-15 09:14:41 S 00 55 14.302 -43 54 27.29 – V C57
2018-09-15 09:14:41 s 1 -184491.10 2 +302412.28 2670.0 – C57
2018-09-15 09:44:41 S 00 55 10.435 -43 53 49.24 – V C57
2018-09-15 09:44:41 s 1 -185190.25 4 +301322.66 7970.0 – C57
2018-09-15 10:14:41 S 00 55 05.875 -43 53 18.82 – V C57
2018-09-15 10:14:41 s 1 -185884.22 7 +300224.62 6560.0 – C57
2018-09-15 11:14:41 S 00 54 58.078 -43 51 56.92 – V C57
2018-09-15 11:14:41 s 1 -187256.47 2 +298003.24 2670.0 – C57
2018-09-15 11:44:41 S 00 54 54.029 -43 51 18.32 – V C57
2018-09-15 11:44:41 s 1 -187934.66 5 +296879.89 9740.0 – C57
2018-09-15 12:14:41 S 00 54 49.627 -43 50 38.80 – V C57
2018-09-15 12:14:41 s 1 -188607.51 7 +295748.12 9180.0 – C57
2018-09-15 12:44:41 S 00 54 45.331 -43 49 54.98 – V C57
2018-09-15 12:44:41 s 1 -189274.98 7 +294607.90 760.0 – C57
2018-09-15 13:44:41 S 00 54 37.973 -43 48 45.83 – V C57