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
2021-08-23 00:53:58 s 1 +164079.82 8 +195152.51 8750.0 – C57
2021-08-23 01:03:58 S 22 56 33.014 +00 25 22.44 – V C57
2021-08-23 01:03:58 s 1 +163934.28 4 +195844.82 4130.0 – C57
2021-08-23 01:13:58 S 22 56 33.857 +00 25 09.77 – V C57
2021-08-23 01:13:58 s 1 +163787.40 7 +196535.55 5260.0 – C57
2021-08-23 01:23:58 S 22 56 34.673 +00 24 57.49 – V C57
2021-08-23 01:23:58 s 1 +163639.20 5 +197224.67 2170.0 – C57
2021-08-23 01:33:58 S 22 56 35.609 +00 24 45.07 – V C57
2021-08-23 01:33:58 s 1 +163489.68 6 +197912.21 4870.0 – C57
2021-08-23 01:43:58 S 22 56 36.461 +00 24 33.01 – V C57
2021-08-23 01:43:58 s 1 +163338.85 7 +198598.15 3400.0 – C57
2021-08-23 01:53:58 S 22 56 37.265 +00 24 20.45 – V C57
2021-08-23 01:53:58 s 1 +163186.72 5 +199282.50 7770.0 – C57
2021-08-23 02:03:58 S 22 56 38.203 +00 24 07.92 – V C57
2021-08-23 02:03:58 s 1 +163033.29 7 +199965.27 8010.0 – C57
2021-08-23 02:13:58 S 22 56 39.067 +00 23 55.39 – V C57
2021-08-23 02:13:58 s 1 +162878.58 1 +200646.45 4150.0 – C57
2021-08-23 02:23:58 S 22 56 39.881 +00 23 43.19 – V C57
2021-08-23 02:23:58 s 1 +162722.58 4 +201326.05 6200.0 – C57
2021-08-23 02:33:58 S 22 56 40.807 +00 23 30.70 – V C57
2021-08-23 02:33:58 s 1 +162565.31 3 +202004.07 4190.0 – C57
2021-08-23 02:43:58 S 22 56 41.633 +00 23 18.64 – V C57
2021-08-23 02:43:58 s 1 +162406.77 5 +202680.51 8140.0 – C57
2021-08-23 02:53:58 S 22 56 42.490 +00 23 06.00 – V C57
2021-08-23 02:53:58 s 1 +162246.97 7 +203355.37 8080.0 – C57
2021-08-23 03:03:58 S 22 56 43.416 +00 22 53.04 – V C57
2021-08-23 03:03:58 s 1 +162085.92 7 +204028.66 4020.0 – C57
2021-08-23 03:13:58 S 22 56 44.258 +00 22 40.87 – V C57
2021-08-23 03:13:58 s 1 +161923.63 0 +204700.37 6000.0 – C57
2021-08-23 03:23:58 S 22 56 45.086 +00 22 28.96 – V C57
2021-08-23 03:23:58 s 1 +161760.09 5 +205370.51 4030.0 – C57
2021-08-23 03:33:58 S 22 56 46.001 +00 22 16.32 – V C57
2021-08-23 03:33:58 s 1 +161595.32 7 +206039.09 8130.0 – C57
2021-08-23 03:43:58 S 22 56 46.879 +00 22 03.79 – V C57
2021-08-23 03:43:58 s 1 +161429.33 4 +206706.10 8330.0 – C57
2021-08-23 03:53:58 S 22 56 47.712 +00 21 50.83 – V C57
2021-08-23 03:53:58 s 1 +161262.12 3 +207371.54 4650.0 – C57
2021-08-23 04:03:58 S 22 56 48.643 +00 21 38.52 – V C57
2021-08-23 04:03:58 s 1 +161093.70 0 +208035.42 7110.0 – C57
2021-08-23 04:13:58 S 22 56 49.445 +00 21 26.28 – V C57
2021-08-23 04:13:58 s 1 +160924.07 1 +208697.74 5730.0 – C57
2021-08-23 04:23:58 S 22 56 50.311 +00 21 13.93 – V C57
2021-08-23 04:23:58 s 1 +160753.24 4 +209358.50 540.0 – C57
2021-08-23 04:33:58 S 22 56 51.252 +00 21 00.32 – V C57
2021-08-23 04:33:58 s 1 +160581.22 4 +210017.71 1550.0 – C57
2021-08-23 04:43:58 S 22 56 52.049 +00 20 48.16 – V C57
2021-08-23 04:43:58 s 1 +160408.02 0 +210675.36 8790.0 – C57
2021-08-23 04:53:58 S 22 56 52.910 +00 20 36.06 – V C57
2021-08-23 04:53:58 s 1 +160233.63 6 +211331.46 2280.0 – C57
2021-08-23 05:03:58 S 22 56 53.854 +00 20 23.82 – 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)