IAA RAS IAA Minor Planet Database

326732 (2003 HB6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5703080163 ± 1.89e-09
Semi-major axis (a)2.7131906889 AU ± 7.20e-10
Inclination (i)6.61836662° ± 4.23e-07
Long. of Asc. Node (Ω)161.61119965° ± 2.14e-06
Arg. of Perihelion (ω)145.80553319° ± 2.49e-06
Mean Anomaly (M)348.17984789° ± 1.45e-07
Mean Motion (n)0.2205422491°/day ± 8.77e-11
Perihelion dist (q)1.16583629 AU ± 5.14e-09
Aphelion dist (Q)4.26054509 AU ± 5.25e-09
Orbital Period4.46910416 yr ± 1.78e-09
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.209″
Uncertainty0
Orbit TypeAmor
MOID0.163175 AU
Observations Used5317
Radar Obs Used1
Oppositions7
Arc Total2003-2012
First Observation Used2003-03-26
Last Observation Used2025-03-25
Observations (8024)
Date Type RA Dec Mag Band Observatory
2021-09-10 18:23:59 s 1 -77443.320 0 +360696.21 5520.0 – C57
2021-09-10 18:33:59 S 23 31 40.968 -07 02 38.04 – V C57
2021-09-10 18:33:59 s 1 -77795.984 0 +360513.81 2920.0 – C57
2021-09-10 18:43:59 S 23 31 41.549 -07 02 44.63 – V C57
2021-09-10 18:43:59 s 1 -78148.423 0 +360330.38 9550.0 – C57
2021-09-10 18:53:59 S 23 31 42.110 -07 02 52.98 – V C57
2021-09-10 18:53:59 s 1 -78500.637 0 +360145.94 5420.0 – C57
2021-09-10 19:03:59 S 23 31 42.646 -07 02 59.10 – V C57
2021-09-10 19:03:59 s 1 -78852.624 0 +359960.46 520.0 – C57
2021-09-10 19:33:59 S 23 31 44.546 -07 03 22.68 – V C57
2021-09-10 19:33:59 s 1 -79907.213 0 +359397.90 1150.0 – C57
2021-09-10 19:43:59 S 23 31 45.084 -07 03 30.06 – V C57
2021-09-10 19:43:59 s 1 -80258.282 0 +359208.33 3130.0 – C57
2021-09-10 19:53:59 S 23 31 45.737 -07 03 38.30 – V C57
2021-09-10 19:53:59 s 1 -80609.117 0 +359017.73 4320.0 – C57
2021-09-10 20:03:59 S 23 31 46.322 -07 03 45.76 – V C57
2021-09-10 20:03:59 s 1 -80959.719 0 +358826.11 4710.0 – C57
2021-09-10 20:13:59 S 23 31 46.860 -07 03 53.28 – V C57
2021-09-10 20:13:59 s 1 -81310.086 0 +358633.46 4310.0 – C57
2021-09-10 20:23:59 S 23 31 47.460 -07 03 59.90 – V C57
2021-09-10 20:23:59 s 1 -81660.216 0 +358439.79 3100.0 – C57
2021-09-10 20:33:59 S 23 31 48.122 -07 04 08.15 – V C57
2021-09-10 20:33:59 s 1 -82010.110 0 +358245.09 1100.0 – C57
2021-09-10 20:43:59 S 23 31 48.689 -07 04 15.96 – V C57
2021-09-10 20:43:59 s 1 -82359.764 0 +358049.37 8280.0 – C57
2021-09-10 20:53:59 S 23 31 49.253 -07 04 23.27 – V C57
2021-09-10 20:53:59 s 1 -82709.180 0 +357852.61 4650.0 – C57
2021-09-10 21:03:59 S 23 31 49.879 -07 04 30.25 – V C57
2021-09-10 21:03:59 s 1 -83058.354 0 +357654.83 200.0 – C57
2021-09-10 21:13:59 S 23 31 50.513 -07 04 38.06 – V C57
2021-09-10 21:13:59 s 1 -83407.286 0 +357456.03 4930.0 – C57
2021-09-10 21:23:59 S 23 31 51.082 -07 04 45.77 – V C57
2021-09-10 21:23:59 s 1 -83755.975 0 +357256.19 8840.0 – C57
2021-09-10 21:33:59 S 23 31 51.641 -07 04 53.54 – V C57
2021-09-10 21:33:59 s 1 -84104.419 0 +357055.33 1910.0 – C57
2021-09-10 21:43:59 S 23 31 52.241 -07 05 00.85 – V C57
2021-09-10 21:43:59 s 1 -84452.618 0 +356853.44 4160.0 – C57
2021-09-10 21:53:59 S 23 31 52.884 -07 05 08.02 – V C57
2021-09-10 21:53:59 s 1 -84800.569 0 +356650.52 5570.0 – C57
2021-09-10 22:03:59 S 23 31 53.441 -07 05 15.68 – V C57
2021-09-10 22:03:59 s 1 -85148.273 0 +356446.57 6140.0 – C57
2021-09-10 22:13:59 S 23 31 54.022 -07 05 23.21 – V C57
2021-09-10 22:13:59 s 1 -85495.728 0 +356241.59 5860.0 – C57
2021-09-10 22:23:59 S 23 31 54.672 -07 05 30.77 – V C57
2021-09-10 22:23:59 s 1 -85842.931 0 +356035.58 4740.0 – C57
2021-09-10 22:33:59 S 23 31 55.294 -07 05 37.79 – V C57
2021-09-10 22:33:59 s 1 -86189.884 0 +355828.55 2760.0 – C57
2021-09-10 22:43:59 S 23 31 55.829 -07 05 45.78 – V C57
2021-09-10 22:43:59 s 1 -86536.583 0 +355620.48 9930.0 – C57
2021-09-10 22:53:59 S 23 31 56.378 -07 05 52.94 – V C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-07-15 01:40:00 247744595.14 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)