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
2021-09-14 07:43:59 s 1 -188062.94 0 +120969.71 8000.0 – C57
2021-09-14 07:50:29 C 23 37 39.86 -07 58 40.9 – V U74
2021-09-14 07:53:59 S 23 37 07.726 -08 01 05.34 – V C57
2021-09-14 07:53:59 s 1 -187999.16 7 +120178.95 2800.0 – C57
2021-09-14 07:56:05 C 23 37 40.07 -07 58 44.4 – V U74
2021-09-14 08:03:59 S 23 37 08.342 -08 01 10.78 – V C57
2021-09-14 08:03:59 s 1 -187933.23 1 +119386.81 400.0 – C57
2021-09-14 08:13:59 S 23 37 09.072 -08 01 17.90 – V C57
2021-09-14 08:13:59 s 1 -187865.11 9 +118593.29 740.0 – C57
2021-09-14 08:23:59 S 23 37 09.722 -08 01 21.72 – V C57
2021-09-14 08:23:59 s 1 -187794.82 0 +117798.40 3800.0 – C57
2021-09-14 08:33:59 S 23 37 10.426 -08 01 29.50 – V C57
2021-09-14 08:33:59 s 1 -187722.31 9 +117002.12 9530.0 – C57
2021-09-14 08:43:59 S 23 37 11.196 -08 01 35.58 – V C57
2021-09-14 08:43:59 s 1 -187647.60 5 +116204.47 7890.0 – C57
2021-09-14 08:53:59 S 23 37 11.779 -08 01 40.76 – V C57
2021-09-14 08:53:59 s 1 -187570.66 5 +115405.45 8830.0 – C57
2021-09-14 09:03:59 S 23 37 12.439 -08 01 47.10 – V C57
2021-09-14 09:03:59 s 1 -187491.48 5 +114605.05 2310.0 – C57
2021-09-14 09:13:59 S 23 37 13.200 -08 01 53.40 – V C57
2021-09-14 09:13:59 s 1 -187410.05 3 +113803.28 8290.0 – C57
2021-09-14 09:23:59 S 23 37 13.879 -08 01 59.16 – V C57
2021-09-14 09:23:59 s 1 -187326.35 6 +113000.14 6730.0 – C57
2021-09-14 09:33:59 S 23 37 14.522 -08 02 05.71 – V C57
2021-09-14 09:33:59 s 1 -187240.37 9 +112195.63 7570.0 – C57
2021-09-14 09:43:59 S 23 37 15.312 -08 02 11.90 – V C57
2021-09-14 09:43:59 s 1 -187152.11 0 +111389.75 790.0 – C57
2021-09-14 09:53:59 S 23 37 15.922 -08 02 16.66 – V C57
2021-09-14 09:53:59 s 1 -187061.53 5 +110582.49 6320.0 – C57
2021-09-14 10:03:59 S 23 37 16.634 -08 02 23.78 – V C57
2021-09-14 10:03:59 s 1 -186968.64 1 +109773.88 4130.0 – C57
2021-09-14 10:13:59 S 23 37 17.326 -08 02 29.76 – V C57
2021-09-14 10:13:59 s 1 -186873.41 4 +108963.89 4170.0 – C57
2021-09-14 10:23:59 S 23 37 18.005 -08 02 35.16 – V C57
2021-09-14 10:23:59 s 1 -186775.84 0 +108152.54 6400.0 – C57
2021-09-14 10:33:59 S 23 37 18.677 -08 02 40.96 – V C57
2021-09-14 10:33:59 s 1 -186675.90 5 +107339.83 770.0 – C57
2021-09-14 10:43:59 S 23 37 19.411 -08 02 48.05 – V C57
2021-09-14 10:43:59 s 1 -186573.59 5 +106525.75 7230.0 – C57
2021-09-14 10:53:59 S 23 37 19.987 -08 02 52.76 – V C57
2021-09-14 10:53:59 s 1 -186468.89 5 +105710.32 5740.0 – C57
2021-09-14 11:03:59 S 23 37 20.782 -08 03 00.04 – V C57
2021-09-14 11:03:59 s 1 -186361.79 3 +104893.53 6240.0 – C57
2021-09-14 11:13:59 S 23 37 21.552 -08 03 04.75 – V C57
2021-09-14 11:13:59 s 1 -186252.27 2 +104075.38 8700.0 – C57
2021-09-14 11:23:59 S 23 37 22.169 -08 03 12.56 – V C57
2021-09-14 11:23:59 s 1 -186140.32 0 +103255.87 3050.0 – C57
2021-09-14 11:33:59 S 23 37 22.826 -08 03 16.85 – V C57
2021-09-14 11:33:59 s 1 -186025.92 0 +102435.01 9270.0 – C57
2021-09-14 11:43:59 S 23 37 23.527 -08 03 23.29 – 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)