IAA RAS IAA Minor Planet Database

528159 (2008 HS3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2254778963 ± 2.05e-09
Semi-major axis (a)1.3500931497 AU ± 4.83e-10
Inclination (i)8.17396413° ± 1.09e-06
Long. of Asc. Node (Ω)227.68720081° ± 1.59e-06
Arg. of Perihelion (ω)5.08413291° ± 5.07e-06
Mean Anomaly (M)57.58725831° ± 3.25e-06
Mean Motion (n)0.6282994443°/day ± 3.37e-10
Perihelion dist (q)1.04567699 AU ± 2.79e-09
Aphelion dist (Q)1.65450931 AU ± 2.83e-09
Orbital Period1.56872060 yr ± 8.43e-10
Physical Parameters
H (abs. magnitude)21.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.381″
Uncertainty0
Orbit TypeAmor
MOID0.035888 AU
Observations Used1058
Radar Obs Used1
Oppositions4
Arc Total2008-2024
First Observation Used2008-04-30
Last Observation Used2024-12-04
Observations (1615)
Date Type RA Dec Mag Band Observatory
2019-04-26 02:14:33 S 13 17 32.834 -44 26 23.68 – V C57
2019-04-26 02:14:33 s 1 +125124.49 8 +271098.29 5470.0 – C57
2019-04-26 02:44:33 S 13 17 48.782 -44 25 22.80 – V C57
2019-04-26 02:44:33 s 1 +124303.78 1 +272660.03 630.0 – C57
2019-04-26 05:44:33 S 13 19 23.162 -44 19 34.86 – V C57
2019-04-26 05:44:33 s 1 +119268.50 4 +281782.20 7090.0 – C57
2019-04-26 06:14:32 S 13 19 39.590 -44 18 34.24 – V C57
2019-04-26 06:14:32 s 1 +118411.58 1 +283261.62 4400.0 – C57
2019-04-26 07:14:33 S 13 20 11.947 -44 16 37.85 – V C57
2019-04-26 07:14:33 s 1 +116683.28 4 +286185.74 620.0 – C57
2019-04-26 07:44:32 S 13 20 26.474 -44 15 32.00 – V C57
2019-04-26 07:44:32 s 1 +115812.06 6 +287630.54 230.0 – C57
2019-04-26 10:28:25 C 13 13 01.04 -44 46 34.9 – q Q68
2019-04-26 10:30:57 C 13 13 01.93 -44 46 30.6 – q Q68
2019-04-26 11:36:17 C 13 13 25.97 -44 44 34.7 – q Q68
2019-04-26 11:38:48 C 13 13 26.89 -44 44 30.0 – q Q68
2019-04-26 11:44:33 S 13 22 34.164 -44 07 20.35 – V C57
2019-04-26 11:44:33 s 1 +108682.42 2 +298780.17 9180.0 – C57
2019-04-26 11:49:23 C 13 13 36.80 -44 43 44.2 – q 323
2019-04-26 11:52:32 C 13 13 38.04 -44 43 39.3 – q 323
2019-04-26 12:14:32 S 13 22 49.795 -44 06 22.32 – V C57
2019-04-26 12:14:32 s 1 +107772.29 3 +300123.40 4260.0 – C57
2019-04-26 12:16:07 C 13 13 46.92 -44 42 59.4 – q 323
2019-04-26 12:19:13 C 13 13 48.10 -44 42 54.2 – q 323
2019-04-26 12:44:02 C 13 13 50.55 -44 42 26.2 – q Q68
2019-04-26 12:46:32 C 13 13 51.47 -44 42 21.3 – q Q68
2019-04-26 13:53:10 C 13 14 15.69 -44 40 05.7 – q Q68
2019-04-26 13:55:03 C 13 14 16.38 -44 40 01.8 – q Q68
2019-04-26 14:14:33 S 13 23 51.701 -44 02 16.73 – V C57
2019-04-26 14:14:33 s 1 +104092.64 0 +305385.87 2010.0 – C57
2019-04-26 15:00:16 C 13 14 40.44 -44 37 40.6 – q Q68
2019-04-26 15:02:46 C 13 14 41.37 -44 37 35.1 – q Q68
2019-04-26 16:08:04 C 13 15 06.02 -44 35 06.4 – q Q68
2019-04-26 16:10:36 C 13 15 06.98 -44 35 00.6 – q Q68
2019-04-26 17:14:33 S 13 25 26.026 -43 56 00.06 – V C57
2019-04-26 17:14:33 s 1 +98462.652 0 +312952.43 8330.0 – C57
2019-04-26 17:16:02 C 13 15 32.51 -44 32 25.1 – q Q68
2019-04-26 17:18:33 C 13 15 33.52 -44 32 19.1 – q Q68
2019-04-26 18:24:10 C 13 16 00.12 -44 29 38.8 – q Q68
2019-04-26 18:26:41 C 13 16 01.15 -44 29 32.7 – q Q68
2019-04-27 06:44:32 S 13 32 34.572 -43 25 53.76 – V C57
2019-04-27 06:44:32 s 1 +71790.479 0 +342334.31 6350.0 – C57
2019-04-27 07:44:32 S 13 33 06.967 -43 23 32.03 – V C57
2019-04-27 07:44:32 s 1 +69744.223 0 +344217.55 6510.0 – C57
2019-04-27 08:44:33 S 13 33 39.149 -43 21 08.21 – V C57
2019-04-27 08:44:33 s 1 +67690.039 0 +346061.52 2080.0 – C57
2019-04-27 11:14:32 S 13 34 58.505 -43 15 11.84 – V C57
2019-04-27 11:14:32 s 1 +62521.949 0 +350501.05 8180.0 – C57
2019-04-27 12:09:36 C 13 24 00.67 -43 51 15.6 – q 323
2019-04-27 12:12:42 C 13 24 01.90 -43 51 09.6 – q 323
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-05-15 05:43:00 40818051.41 0.2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)