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
2021-09-11 03:43:59 s 1 -96813.836 0 +348897.84 6480.0 – C57
2021-09-11 03:53:59 S 23 32 14.443 -07 09 36.00 – V C57
2021-09-11 03:53:59 s 1 -97152.079 0 +348657.67 5070.0 – C57
2021-09-11 04:03:59 S 23 32 15.082 -07 09 44.57 – V C57
2021-09-11 04:03:59 s 1 -97490.029 0 +348416.46 2660.0 – C57
2021-09-11 04:13:59 S 23 32 15.701 -07 09 50.54 – V C57
2021-09-11 04:13:59 s 1 -97827.684 0 +348174.21 9260.0 – C57
2021-09-11 04:23:59 S 23 32 16.310 -07 09 59.36 – V C57
2021-09-11 04:23:59 s 1 -98165.043 0 +347930.92 4860.0 – C57
2021-09-11 04:33:59 S 23 32 16.836 -07 10 05.12 – V C57
2021-09-11 04:33:59 s 1 -98502.106 0 +347686.59 9460.0 – C57
2021-09-11 04:43:59 S 23 32 17.506 -07 10 13.62 – V C57
2021-09-11 04:43:59 s 1 -98838.869 0 +347441.22 3060.0 – C57
2021-09-11 04:53:59 S 23 32 18.101 -07 10 20.24 – V C57
2021-09-11 04:53:59 s 1 -99175.334 0 +347194.80 5640.0 – C57
2021-09-11 05:03:59 S 23 32 18.708 -07 10 28.60 – V C57
2021-09-11 05:03:59 s 1 -99511.497 0 +346947.34 7200.0 – C57
2021-09-11 05:13:59 S 23 32 19.277 -07 10 35.15 – V C57
2021-09-11 05:13:59 s 1 -99847.357 0 +346698.83 7750.0 – C57
2021-09-11 05:23:59 S 23 32 19.970 -07 10 43.39 – V C57
2021-09-11 05:23:59 s 1 -100182.91 4 +346449.28 7270.0 – C57
2021-09-11 05:33:59 S 23 32 20.537 -07 10 49.80 – V C57
2021-09-11 05:33:59 s 1 -100518.16 6 +346198.68 5770.0 – C57
2021-09-11 05:41:25 C 23 34 13.79 -07 09 49.2 – V 703
2021-09-11 05:43:59 S 23 32 21.084 -07 10 58.26 – V C57
2021-09-11 05:43:59 s 1 -100853.11 2 +345947.04 3230.0 – C57
2021-09-11 05:49:03 C 23 34 14.12 -07 09 54.5 – V 703
2021-09-11 05:53:59 S 23 32 21.694 -07 11 04.45 – V C57
2021-09-11 05:53:59 s 1 -101187.74 9 +345694.36 9650.0 – C57
2021-09-11 05:56:42 C 23 34 14.44 -07 10 00.0 – V 703
2021-09-11 06:03:59 S 23 32 22.390 -07 11 13.06 – V C57
2021-09-11 06:03:59 s 1 -101522.07 8 +345440.63 5030.0 – C57
2021-09-11 06:04:20 C 23 34 14.75 -07 10 05.5 – V 703
2021-09-11 06:13:59 S 23 32 22.946 -07 11 18.96 – V C57
2021-09-11 06:13:59 s 1 -101856.09 6 +345185.85 9360.0 – C57
2021-09-11 06:23:59 S 23 32 23.527 -07 11 27.67 – V C57
2021-09-11 06:23:59 s 1 -102189.80 3 +344930.02 2650.0 – C57
2021-09-11 06:33:59 S 23 32 24.134 -07 11 33.61 – V C57
2021-09-11 06:33:59 s 1 -102523.19 6 +344673.15 4870.0 – C57
2021-09-11 06:43:59 S 23 32 24.814 -07 11 42.32 – V C57
2021-09-11 06:43:59 s 1 -102856.27 5 +344415.23 6040.0 – C57
2021-09-11 06:53:59 S 23 32 25.354 -07 11 48.44 – V C57
2021-09-11 06:53:59 s 1 -103189.03 7 +344156.27 6140.0 – C57
2021-09-11 07:03:59 S 23 32 25.951 -07 11 57.30 – V C57
2021-09-11 07:03:59 s 1 -103521.48 3 +343896.25 5180.0 – C57
2021-09-11 07:13:59 S 23 32 26.592 -07 12 03.92 – V C57
2021-09-11 07:13:59 s 1 -103853.61 0 +343635.19 3140.0 – C57
2021-09-11 07:23:59 S 23 32 27.218 -07 12 11.99 – V C57
2021-09-11 07:23:59 s 1 -104185.41 7 +343373.07 20.0 – C57
2021-09-11 07:33:59 S 23 32 27.754 -07 12 17.82 – 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)