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
2019-04-22 11:51:07 C 12 38 45.65 -46 56 38.0 – q 323
2019-04-22 11:54:14 C 12 38 46.50 -46 56 36.3 – q 323
2019-04-22 12:16:03 C 12 38 52.59 -46 56 21.9 – q 323
2019-04-22 12:19:16 C 12 38 53.47 -46 56 18.8 – q 323
2019-04-23 14:18:08 C 12 47 17.96 -46 30 12.6 – q 323
2019-04-23 14:21:17 C 12 47 18.93 -46 30 09.1 – q 323
2019-04-23 14:47:44 C 12 47 26.63 -46 29 39.8 – q 323
2019-04-23 14:50:49 C 12 47 27.52 -46 29 36.6 – q 323
2019-04-24 11:01:33 C 12 54 37.04 -46 04 20.5 – q Q68
2019-04-24 11:04:05 C 12 54 37.83 -46 04 17.6 – q Q68
2019-04-24 11:34:25 C 12 54 53.05 -46 03 15.4 – q 323
2019-04-24 11:37:27 C 12 54 54.07 -46 03 12.2 – q 323
2019-04-24 12:00:06 C 12 55 01.52 -46 02 47.4 – q 323
2019-04-24 12:03:36 C 12 55 02.68 -46 02 43.8 – q 323
2019-04-24 12:09:19 C 12 54 58.40 -46 02 56.3 – q Q68
2019-04-24 12:11:50 C 12 54 59.19 -46 02 53.1 – q Q68
2019-04-24 13:17:49 C 12 55 19.89 -46 01 23.0 – q Q68
2019-04-24 13:20:20 C 12 55 20.69 -46 01 19.6 – q Q68
2019-04-24 14:25:33 C 12 55 41.39 -45 59 42.2 – q Q68
2019-04-24 14:28:03 C 12 55 42.19 -45 59 38.4 – q Q68
2019-04-24 15:33:21 C 12 56 03.38 -45 57 54.1 – q Q68
2019-04-24 15:35:51 C 12 56 04.19 -45 57 50.1 – q Q68
2019-04-24 16:41:18 C 12 56 26.14 -45 55 59.2 – q Q68
2019-04-24 16:43:49 C 12 56 26.98 -45 55 55.0 – q Q68
2019-04-25 11:46:55 C 13 03 57.86 -45 27 06.0 – q 323
2019-04-25 11:50:02 C 13 03 58.97 -45 27 01.9 – q 323
2019-04-25 12:50:28 C 13 04 20.13 -45 25 38.0 – q 323
2019-04-25 12:53:35 C 13 04 21.21 -45 25 33.5 – q 323
2019-04-25 17:14:33 S 13 12 48.173 -44 43 24.17 – V C57
2019-04-25 17:14:33 s 1 +138859.43 8 +240897.16 3550.0 – C57
2019-04-25 18:37:23 C 13 06 17.73 -45 14 39.5 – q Q68
2019-04-25 18:39:55 C 13 06 18.65 -45 14 34.2 – q Q68
2019-04-25 19:14:33 S 13 13 50.568 -44 39 47.84 – V C57
2019-04-25 19:14:33 s 1 +135991.63 0 +247957.72 7460.0 – C57
2019-04-25 19:44:33 S 13 14 07.025 -44 38 47.72 – V C57
2019-04-25 19:44:33 s 1 +135257.02 5 +249691.13 1440.0 – C57
2019-04-25 20:44:33 S 13 14 37.798 -44 36 37.66 – V C57
2019-04-25 20:44:33 s 1 +133767.43 8 +253120.23 3690.0 – C57
2019-04-25 21:14:33 S 13 14 56.278 -44 35 50.68 – V C57
2019-04-25 21:14:33 s 1 +133012.67 7 +254816.02 2970.0 – C57
2019-04-25 23:14:33 S 13 15 59.362 -44 32 02.33 – V C57
2019-04-25 23:14:33 s 1 +129929.69 0 +261475.35 2560.0 – C57
2019-04-25 23:44:33 S 13 16 16.442 -44 31 00.52 – V C57
2019-04-25 23:44:33 s 1 +129143.47 4 +263109.48 450.0 – C57
2019-04-26 00:14:33 S 13 16 30.240 -44 30 03.28 – V C57
2019-04-26 00:14:33 s 1 +128351.27 0 +264731.42 3460.0 – C57
2019-04-26 00:44:33 S 13 16 44.417 -44 29 24.68 – V C57
2019-04-26 00:44:33 s 1 +127553.17 5 +266341.22 2020.0 – C57
2019-04-26 01:14:33 S 13 17 03.269 -44 28 12.65 – V C57
2019-04-26 01:14:33 s 1 +126749.28 6 +267938.93 6600.0 – C57
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)