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
2021-08-20 19:10:23 C 22 51 58.72 +01 24 08.4 – V C40
2021-08-20 19:21:18 C 22 51 59.99 +01 23 55.2 – V C40
2021-08-20 20:06:16 C 22 52 05.21 +01 23 00.1 – V C40
2021-08-20 20:08:59 C 22 52 05.53 +01 22 56.7 – V C40
2021-08-20 20:10:21 C 22 52 05.68 +01 22 55.1 – V C40
2021-08-20 20:11:43 C 22 52 05.83 +01 22 53.5 – V C40
2021-08-20 20:14:27 C 22 52 06.15 +01 22 50.1 – V C40
2021-08-20 20:15:49 C 22 52 06.32 +01 22 48.5 – V C40
2021-08-20 20:22:38 C 22 52 07.09 +01 22 40.1 – V C40
2021-08-20 20:24:00 C 22 52 07.26 +01 22 38.4 – V C40
2021-08-20 20:25:22 C 22 52 07.41 +01 22 36.7 – V C40
2021-08-20 20:26:44 C 22 52 07.57 +01 22 35.0 – V C40
2021-08-20 20:29:28 C 22 52 07.88 +01 22 31.8 – V C40
2021-08-20 20:30:50 C 22 52 08.04 +01 22 30.0 – V C40
2021-08-20 20:32:11 C 22 52 08.20 +01 22 28.4 – V C40
2021-08-20 20:33:33 C 22 52 08.35 +01 22 26.8 – V C40
2021-08-20 20:34:54 C 22 52 08.51 +01 22 25.1 – V C40
2021-08-20 20:37:39 C 22 52 08.82 +01 22 21.5 – V C40
2021-08-20 22:33:32 C 22 52 22.30 +01 19 58.4 – V 089
2021-08-20 22:36:51 C 22 52 22.66 +01 19 54.1 – V 089
2021-08-20 22:40:09 C 22 52 23.03 +01 19 50.3 – V 089
2021-08-20 22:43:27 C 22 52 23.40 +01 19 45.8 – V 089
2021-08-20 22:46:45 C 22 52 23.79 +01 19 42.0 – V 089
2021-08-20 22:50:03 C 22 52 24.15 +01 19 38.2 – V 089
2021-08-20 22:53:21 C 22 52 24.52 +01 19 34.0 – V 089
2021-08-20 22:56:39 C 22 52 24.90 +01 19 30.2 – V 089
2021-08-20 22:59:57 C 22 52 25.28 +01 19 25.9 – V 089
2021-08-20 23:03:15 C 22 52 25.66 +01 19 22.2 – V 089
2021-08-21 00:30:16 C 22 52 36.28 +01 17 37.3 – V K83
2021-08-21 00:33:21 C 22 52 36.66 +01 17 33.1 – V K83
2021-08-21 00:36:25 C 22 52 36.99 +01 17 29.3 – V K83
2021-08-21 04:43:58 S 22 53 11.458 +01 17 32.24 – V C57
2021-08-21 04:43:58 s 1 +110561.23 0 -42234.924 9140.0 – C57
2021-08-21 04:53:58 S 22 53 12.185 +01 17 21.48 – V C57
2021-08-21 04:53:58 s 1 +111407.30 9 -41269.620 7610.0 – C57
2021-08-21 05:03:58 S 22 53 12.862 +01 17 10.93 – V C57
2021-08-21 05:03:58 s 1 +112245.07 0 -40301.245 8840.0 – C57
2021-08-21 05:13:58 S 22 53 13.493 +01 17 01.14 – V C57
2021-08-21 05:13:58 s 1 +113074.55 5 -39329.909 2960.0 – C57
2021-08-21 05:23:58 S 22 53 14.153 +01 16 50.45 – V C57
2021-08-21 05:23:58 s 1 +113895.80 4 -38355.718 110.0 – C57
2021-08-21 05:43:58 S 22 53 15.523 +01 16 29.96 – V C57
2021-08-21 05:43:58 s 1 +115513.76 4 -36399.195 4080.0 – C57
2021-08-21 05:53:58 S 22 53 16.214 +01 16 18.98 – V C57
2021-08-21 05:53:58 s 1 +116310.56 3 -35417.067 1200.0 – C57
2021-08-21 06:03:58 S 22 53 16.834 +01 16 08.90 – V C57
2021-08-21 06:03:58 s 1 +117099.30 0 -34432.495 1940.0 – C57
2021-08-21 06:13:58 S 22 53 17.467 +01 15 58.21 – V C57
2021-08-21 06:13:58 s 1 +117880.02 0 -33445.577 6460.0 – C57
2021-08-21 06:23:58 S 22 53 18.197 +01 15 48.20 – 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)