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
2021-09-07 05:23:58 s 1 +108111.65 7 +319949.74 6560.0 – C57
2021-09-07 05:33:58 S 23 27 00.338 -05 53 29.36 – V C57
2021-09-07 05:33:58 s 1 +107785.80 0 +320304.07 7670.0 – C57
2021-09-07 05:43:58 S 23 27 00.799 -05 53 37.25 – V C57
2021-09-07 05:43:58 s 1 +107459.55 4 +320657.22 7560.0 – C57
2021-09-07 05:53:58 S 23 27 01.378 -05 53 45.71 – V C57
2021-09-07 05:53:58 s 1 +107132.92 2 +321009.18 6260.0 – C57
2021-09-07 06:03:58 S 23 27 01.867 -05 53 53.41 – V C57
2021-09-07 06:03:58 s 1 +106805.90 6 +321359.96 3750.0 – C57
2021-09-07 06:13:58 S 23 27 02.388 -05 54 02.88 – V C57
2021-09-07 06:13:58 s 1 +106478.50 8 +321709.56 60.0 – C57
2021-09-07 06:14:26 C 23 29 03.96 -05 56 47.1 – V 703
2021-09-07 06:19:53 C 23 29 04.42 -05 56 51.9 – U I41
2021-09-07 06:21:16 C 23 29 04.49 -05 56 53.0 – U I41
2021-09-07 06:22:00 C 23 29 04.35 -05 56 53.4 – V 703
2021-09-07 06:23:58 S 23 27 02.842 -05 54 11.74 – V C57
2021-09-07 06:23:58 s 1 +106150.72 8 +322057.98 5180.0 – C57
2021-09-07 06:33:58 S 23 27 03.295 -05 54 20.74 – V C57
2021-09-07 06:33:58 s 1 +105822.57 1 +322405.23 9120.0 – C57
2021-09-07 06:37:06 C 23 29 05.29 -05 57 07.2 – V 703
2021-09-07 06:43:58 S 23 27 03.806 -05 54 29.81 – V C57
2021-09-07 06:43:58 s 1 +105494.03 6 +322751.29 1890.0 – C57
2021-09-07 06:53:58 S 23 27 04.327 -05 54 37.15 – V C57
2021-09-07 06:53:58 s 1 +105165.12 7 +323096.18 3490.0 – C57
2021-09-07 07:03:58 S 23 27 04.860 -05 54 45.68 – V C57
2021-09-07 07:03:58 s 1 +104835.84 5 +323439.89 3930.0 – C57
2021-09-07 07:13:58 S 23 27 05.326 -05 54 54.36 – V C57
2021-09-07 07:13:58 s 1 +104506.19 3 +323782.43 3220.0 – C57
2021-09-07 07:23:58 S 23 27 05.832 -05 55 04.26 – V C57
2021-09-07 07:23:58 s 1 +104176.17 1 +324123.80 1360.0 – C57
2021-09-07 07:33:58 S 23 27 06.288 -05 55 12.36 – V C57
2021-09-07 07:33:58 s 1 +103845.78 2 +324463.99 8360.0 – C57
2021-09-07 07:43:58 S 23 27 06.794 -05 55 21.58 – V C57
2021-09-07 07:43:58 s 1 +103515.02 8 +324803.01 4220.0 – C57
2021-09-07 07:53:58 S 23 27 07.320 -05 55 29.21 – V C57
2021-09-07 07:53:58 s 1 +103183.91 0 +325140.86 8950.0 – C57
2021-09-07 08:03:58 S 23 27 07.831 -05 55 38.03 – V C57
2021-09-07 08:03:58 s 1 +102852.43 1 +325477.54 2550.0 – C57
2021-09-07 08:13:58 S 23 27 08.340 -05 55 46.16 – V C57
2021-09-07 08:13:58 s 1 +102520.59 3 +325813.05 5040.0 – C57
2021-09-07 08:23:58 S 23 27 08.806 -05 55 55.70 – V C57
2021-09-07 08:23:58 s 1 +102188.39 6 +326147.40 6420.0 – C57
2021-09-07 08:33:58 S 23 27 09.278 -05 56 04.56 – V C57
2021-09-07 08:33:58 s 1 +101855.84 4 +326480.57 6690.0 – C57
2021-09-07 08:34:22 C 23 29 11.24 -05 58 43.0 – U I41
2021-09-07 08:43:58 S 23 27 09.804 -05 56 12.73 – V C57
2021-09-07 08:43:58 s 1 +101522.93 8 +326812.58 5850.0 – C57
2021-09-07 08:53:58 S 23 27 10.356 -05 56 21.12 – V C57
2021-09-07 08:53:58 s 1 +101189.67 9 +327143.43 3930.0 – C57
2021-09-07 09:03:58 S 23 27 10.853 -05 56 29.40 – 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)