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 05:03:58 s 1 +160058.07 9 +211986.01 2030.0 – C57
2021-08-23 05:13:58 S 22 56 54.698 +00 20 11.51 – V C57
2021-08-23 05:13:58 s 1 +159881.35 6 +212639.01 8080.0 – C57
2021-08-23 05:23:58 S 22 56 55.596 +00 19 59.02 – V C57
2021-08-23 05:23:58 s 1 +159703.47 4 +213290.46 430.0 – C57
2021-08-23 05:33:58 S 22 56 56.506 +00 19 46.16 – V C57
2021-08-23 05:33:58 s 1 +159524.43 7 +213940.37 9110.0 – C57
2021-08-23 05:43:58 S 22 56 57.348 +00 19 33.56 – V C57
2021-08-23 05:43:58 s 1 +159344.25 4 +214588.74 4150.0 – C57
2021-08-23 05:53:58 S 22 56 58.234 +00 19 21.40 – V C57
2021-08-23 05:53:58 s 1 +159162.92 9 +215235.56 5550.0 – C57
2021-08-23 06:03:58 S 22 56 59.119 +00 19 09.19 – V C57
2021-08-23 06:03:58 s 1 +158980.46 9 +215880.85 3340.0 – C57
2021-08-23 06:13:58 S 22 56 59.959 +00 18 56.63 – V C57
2021-08-23 06:13:58 s 1 +158796.88 1 +216524.60 7550.0 – C57
2021-08-23 06:23:58 S 22 57 00.907 +00 18 43.85 – V C57
2021-08-23 06:23:58 s 1 +158612.16 9 +217166.82 8180.0 – C57
2021-08-23 06:33:58 S 22 57 01.764 +00 18 31.36 – V C57
2021-08-23 06:33:58 s 1 +158426.34 1 +217807.51 5270.0 – C57
2021-08-23 06:43:58 S 22 57 02.618 +00 18 18.83 – V C57
2021-08-23 06:43:58 s 1 +158239.40 3 +218446.66 8820.0 – C57
2021-08-23 06:53:58 S 22 57 03.533 +00 18 06.84 – V C57
2021-08-23 06:53:58 s 1 +158051.36 0 +219084.29 8860.0 – C57
2021-08-23 07:03:58 S 22 57 04.385 +00 17 54.06 – V C57
2021-08-23 07:03:58 s 1 +157862.21 7 +219720.39 5420.0 – C57
2021-08-23 07:13:58 S 22 57 05.251 +00 17 41.71 – V C57
2021-08-23 07:13:58 s 1 +157671.98 2 +220354.97 8490.0 – C57
2021-08-23 07:23:58 S 22 57 06.204 +00 17 29.15 – V C57
2021-08-23 07:23:58 s 1 +157480.66 0 +220988.02 8120.0 – C57
2021-08-23 07:33:58 S 22 57 07.039 +00 17 16.55 – V C57
2021-08-23 07:33:58 s 1 +157288.25 7 +221619.56 4300.0 – C57
2021-08-23 07:43:58 S 22 57 07.896 +00 17 04.20 – V C57
2021-08-23 07:43:58 s 1 +157094.77 8 +222249.57 7080.0 – C57
2021-08-23 07:53:58 S 22 57 08.846 +00 16 51.71 – V C57
2021-08-23 07:53:58 s 1 +156900.23 0 +222878.07 6450.0 – C57
2021-08-23 08:03:58 S 22 57 09.718 +00 16 39.32 – V C57
2021-08-23 08:03:58 s 1 +156704.61 8 +223505.06 2440.0 – C57
2021-08-23 08:13:58 S 22 57 10.591 +00 16 26.69 – V C57
2021-08-23 08:13:58 s 1 +156507.94 7 +224130.53 5080.0 – C57
2021-08-23 08:23:58 S 22 57 11.506 +00 16 14.30 – V C57
2021-08-23 08:23:58 s 1 +156310.22 3 +224754.50 4370.0 – C57
2021-08-23 08:33:58 S 22 57 12.331 +00 16 02.39 – V C57
2021-08-23 08:33:58 s 1 +156111.45 2 +225376.95 340.0 – C57
2021-08-23 08:43:58 S 22 57 13.224 +00 15 49.32 – V C57
2021-08-23 08:43:58 s 1 +155911.64 0 +225997.90 3000.0 – C57
2021-08-23 08:53:58 S 22 57 14.172 +00 15 36.76 – V C57
2021-08-23 08:53:58 s 1 +155710.79 2 +226617.35 2370.0 – C57
2021-08-23 09:03:58 S 22 57 15.012 +00 15 24.37 – V C57
2021-08-23 09:03:58 s 1 +155508.91 3 +227235.29 8470.0 – C57
2021-08-23 09:13:58 S 22 57 15.938 +00 15 11.52 – 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)