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
2021-08-22 13:03:58 s 1 +170468.12 5 +141796.18 430.0 – C57
2021-08-22 13:13:58 S 22 55 33.502 +00 39 59.47 – V C57
2021-08-22 13:13:58 s 1 +170440.44 2 +142606.65 3120.0 – C57
2021-08-22 13:23:58 S 22 55 34.308 +00 39 47.20 – V C57
2021-08-22 13:23:58 s 1 +170410.71 6 +143415.41 9250.0 – C57
2021-08-22 13:33:58 S 22 55 35.098 +00 39 34.38 – V C57
2021-08-22 13:33:58 s 1 +170378.96 0 +144222.44 8870.0 – C57
2021-08-22 13:43:58 S 22 55 35.952 +00 39 22.36 – V C57
2021-08-22 13:43:58 s 1 +170345.18 7 +145027.76 2010.0 – C57
2021-08-22 13:53:58 S 22 55 36.768 +00 39 09.97 – V C57
2021-08-22 13:53:58 s 1 +170309.41 0 +145831.37 8710.0 – C57
2021-08-22 14:03:58 S 22 55 37.526 +00 38 57.95 – V C57
2021-08-22 14:03:58 s 1 +170271.64 1 +146633.26 9030.0 – C57
2021-08-22 14:13:58 S 22 55 38.398 +00 38 45.17 – V C57
2021-08-22 14:13:58 s 1 +170231.89 3 +147433.44 3000.0 – C57
2021-08-22 14:23:58 S 22 55 39.228 +00 38 33.36 – V C57
2021-08-22 14:23:58 s 1 +170190.17 9 +148231.90 650.0 – C57
2021-08-22 14:33:58 S 22 55 40.008 +00 38 21.16 – V C57
2021-08-22 14:33:58 s 1 +170146.51 2 +149028.66 2040.0 – C57
2021-08-22 14:43:58 S 22 55 40.843 +00 38 08.92 – V C57
2021-08-22 14:43:58 s 1 +170100.90 2 +149823.71 7200.0 – C57
2021-08-22 14:53:58 S 22 55 41.686 +00 37 56.39 – V C57
2021-08-22 14:53:58 s 1 +170053.36 4 +150617.04 6170.0 – C57
2021-08-22 15:03:58 S 22 55 42.468 +00 37 44.15 – V C57
2021-08-22 15:03:58 s 1 +170003.90 8 +151408.68 9000.0 – C57
2021-08-22 15:13:58 S 22 55 43.291 +00 37 31.84 – V C57
2021-08-22 15:13:58 s 1 +169952.54 7 +152198.60 5710.0 – C57
2021-08-22 15:23:58 S 22 55 44.153 +00 37 19.60 – V C57
2021-08-22 15:23:58 s 1 +169899.29 3 +152986.83 6350.0 – C57
2021-08-22 15:33:58 S 22 55 44.940 +00 37 07.82 – V C57
2021-08-22 15:33:58 s 1 +169844.15 8 +153773.35 950.0 – C57
2021-08-22 15:43:58 S 22 55 45.756 +00 36 54.61 – V C57
2021-08-22 15:43:58 s 1 +169787.15 3 +154558.17 9570.0 – C57
2021-08-22 15:53:58 S 22 55 46.637 +00 36 42.44 – V C57
2021-08-22 15:53:58 s 1 +169728.29 1 +155341.29 2220.0 – C57
2021-08-22 16:03:58 S 22 55 47.429 +00 36 30.56 – V C57
2021-08-22 16:03:58 s 1 +169667.58 2 +156122.71 8960.0 – C57
2021-08-22 16:13:58 S 22 55 48.221 +00 36 18.29 – V C57
2021-08-22 16:13:58 s 1 +169605.03 8 +156902.43 9810.0 – C57
2021-08-22 16:23:58 S 22 55 49.094 +00 36 06.08 – V C57
2021-08-22 16:23:58 s 1 +169540.67 0 +157680.46 4820.0 – C57
2021-08-22 16:33:58 S 22 55 49.891 +00 35 53.30 – V C57
2021-08-22 16:33:58 s 1 +169474.49 1 +158456.80 4020.0 – C57
2021-08-22 16:43:58 S 22 55 50.714 +00 35 41.06 – V C57
2021-08-22 16:43:58 s 1 +169406.51 0 +159231.44 7440.0 – C57
2021-08-22 16:53:58 S 22 55 51.574 +00 35 28.61 – V C57
2021-08-22 16:53:58 s 1 +169336.73 9 +160004.40 5140.0 – C57
2021-08-22 17:03:58 S 22 55 52.387 +00 35 16.62 – V C57
2021-08-22 17:03:58 s 1 +169265.18 9 +160775.66 7130.0 – C57
2021-08-22 17:13:58 S 22 55 53.194 +00 35 04.56 – 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)