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
2021-08-21 19:03:58 S 22 54 10.121 +01 01 44.58 – V C57
2021-08-21 19:03:58 s 1 +157758.37 4 +44281.931 9940.0 – C57
2021-08-21 19:13:58 S 22 54 10.817 +01 01 32.81 – V C57
2021-08-21 19:13:58 s 1 +158060.94 4 +45268.862 8160.0 – C57
2021-08-21 19:33:58 S 22 54 12.302 +01 01 09.62 – V C57
2021-08-21 19:33:58 s 1 +158652.80 1 +47238.852 1570.0 – C57
2021-08-21 19:41:40 C 22 54 56.70 +00 54 11.8 – V C40
2021-08-21 19:43:58 S 22 54 12.984 +01 00 58.32 – V C57
2021-08-21 19:43:58 s 1 +158942.15 6 +48221.882 6990.0 – C57
2021-08-21 19:44:38 C 22 54 57.03 +00 54 08.0 – V C40
2021-08-21 19:47:34 C 22 54 57.36 +00 54 04.6 – V C40
2021-08-21 19:52:40 C 22 54 57.92 +00 53 58.5 – V C40
2021-08-21 19:53:45 C 22 54 58.04 +00 53 57.0 – V C40
2021-08-21 19:53:58 S 22 54 13.685 +01 00 46.30 – V C57
2021-08-21 19:53:58 s 1 +159227.17 7 +49203.582 8370.0 – C57
2021-08-21 19:56:28 C 22 54 58.34 +00 53 53.6 – V C40
2021-08-21 20:03:58 S 22 54 14.467 +01 00 34.78 – V C57
2021-08-21 20:03:58 s 1 +159507.89 5 +50183.939 5820.0 – C57
2021-08-21 20:13:58 S 22 54 15.154 +01 00 23.08 – V C57
2021-08-21 20:13:58 s 1 +159784.34 5 +51162.940 9450.0 – C57
2021-08-21 20:23:58 S 22 54 15.850 +01 00 11.59 – V C57
2021-08-21 20:23:58 s 1 +160056.55 9 +52140.570 9370.0 – C57
2021-08-21 20:33:58 S 22 54 16.601 +00 59 59.78 – V C57
2021-08-21 20:33:58 s 1 +160324.57 2 +53116.818 5690.0 – C57
2021-08-21 20:43:58 S 22 54 17.333 +00 59 48.19 – V C57
2021-08-21 20:43:58 s 1 +160588.41 6 +54091.670 8510.0 – C57
2021-08-21 20:47:54 C 22 55 04.04 +00 52 51.4 – V C40
2021-08-21 20:51:59 C 22 55 04.50 +00 52 46.3 – V C40
2021-08-21 20:53:58 S 22 54 18.046 +00 59 36.60 – V C57
2021-08-21 20:53:58 s 1 +160848.12 3 +55065.115 7950.0 – C57
2021-08-21 20:54:42 C 22 55 04.80 +00 52 43.0 – V C40
2021-08-21 20:58:49 C 22 55 05.25 +00 52 38.0 – V C40
2021-08-21 21:00:11 C 22 55 05.40 +00 52 36.4 – V C40
2021-08-21 21:03:58 S 22 54 18.756 +00 59 24.83 – V C57
2021-08-21 21:03:58 s 1 +161103.72 5 +56037.142 4100.0 – C57
2021-08-21 21:05:37 C 22 55 06.00 +00 52 29.7 – V C40
2021-08-21 21:13:50 C 22 55 06.90 +00 52 19.9 – V C40
2021-08-21 21:13:58 S 22 54 19.510 +00 59 12.84 – V C57
2021-08-21 21:13:58 s 1 +161355.25 4 +57007.737 7070.0 – C57
2021-08-21 21:17:54 C 22 55 07.35 +00 52 14.9 – V C40
2021-08-21 21:19:16 C 22 55 07.50 +00 52 13.2 – V C40
2021-08-21 21:20:38 C 22 55 07.66 +00 52 11.6 – V C40
2021-08-21 21:22:01 C 22 55 07.79 +00 52 09.9 – V C40
2021-08-21 21:23:23 C 22 55 07.95 +00 52 08.4 – V C40
2021-08-21 21:23:58 S 22 54 20.249 +00 59 01.14 – V C57
2021-08-21 21:23:58 s 1 +161602.74 1 +57976.892 6960.0 – C57
2021-08-21 21:24:45 C 22 55 08.10 +00 52 06.6 – V C40
2021-08-21 21:26:06 C 22 55 08.26 +00 52 04.9 – V C40
2021-08-21 21:27:27 C 22 55 08.40 +00 52 03.4 – V C40
2021-08-21 21:33:58 S 22 54 20.959 +00 58 49.76 – 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)