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
2021-07-08 19:14:18 C 19 51 10.14 +12 22 10.1 – V C40
2021-07-08 19:18:23 C 19 51 10.76 +12 22 11.7 – V C40
2021-07-08 19:23:51 C 19 51 11.58 +12 22 13.9 – V C40
2021-07-08 19:25:13 C 19 51 11.77 +12 22 14.5 – V C40
2021-07-08 19:27:57 C 19 51 12.19 +12 22 15.7 – V C40
2021-07-08 19:41:34 C 19 51 14.22 +12 22 21.4 – V C40
2021-07-08 19:44:18 C 19 51 14.64 +12 22 22.5 – V C40
2021-07-08 19:51:08 C 19 51 15.65 +12 22 25.3 – V C40
2021-07-08 19:54:12 C 19 51 16.10 +12 22 26.6 – V C40
2021-07-08 19:55:33 C 19 51 16.31 +12 22 27.0 – V C40
2021-07-08 19:56:55 C 19 51 16.51 +12 22 27.6 – V C40
2021-07-08 19:59:38 C 19 51 16.91 +12 22 28.8 – V C40
2021-07-08 20:02:23 C 19 51 17.32 +12 22 29.9 – V C40
2021-07-08 20:06:29 C 19 51 17.92 +12 22 31.7 – V C40
2021-07-08 20:07:49 C 19 51 18.13 +12 22 32.1 – V C40
2021-07-08 20:10:33 C 19 51 18.52 +12 22 33.3 – V C40
2021-07-08 20:14:40 C 19 51 19.14 +12 22 34.9 – V C40
2021-07-08 20:18:44 C 19 51 19.73 +12 22 36.6 – V C40
2021-07-08 20:21:28 C 19 51 20.14 +12 22 37.6 – V C40
2021-07-08 20:22:50 C 19 51 20.34 +12 22 38.2 – V C40
2021-07-08 20:24:12 C 19 51 20.55 +12 22 38.8 – V C40
2021-07-08 20:40:55 C 19 51 23.00 +12 22 45.7 – V C40
2021-07-08 21:13:39 C 19 51 27.81 +12 22 58.7 – V C40
2021-07-08 21:16:24 C 19 51 28.21 +12 22 59.7 – V C40
2021-07-09 07:25:03 C 19 53 04.04 +12 26 51.5 – q U65
2021-07-09 07:36:49 C 19 53 05.79 +12 26 55.9 – q U65
2021-07-09 07:48:56 C 19 53 07.60 +12 27 00.8 – q U65
2021-07-09 19:00:02 C 19 54 54.95 +12 31 04.0 – V C40
2021-07-09 19:06:50 C 19 54 55.99 +12 31 06.3 – V C40
2021-07-09 19:08:12 C 19 54 56.19 +12 31 06.9 – V C40
2021-07-09 19:10:56 C 19 54 56.61 +12 31 08.1 – V C40
2021-07-09 19:15:02 C 19 54 57.24 +12 31 09.5 – V C40
2021-07-09 19:21:50 C 19 54 58.28 +12 31 12.0 – V C40
2021-07-09 19:23:13 C 19 54 58.48 +12 31 12.7 – V C40
2021-07-09 19:25:57 C 19 54 58.92 +12 31 13.7 – V C40
2021-07-09 19:28:41 C 19 54 59.32 +12 31 14.7 – V C40
2021-07-09 19:31:23 C 19 54 59.73 +12 31 15.6 – V C40
2021-07-09 19:32:45 C 19 54 59.95 +12 31 16.2 – V C40
2021-07-09 19:38:14 C 19 55 00.78 +12 31 18.3 – V C40
2021-07-09 19:40:26 C 19 55 01.13 +12 31 19.1 – V C40
2021-07-09 19:43:09 C 19 55 01.54 +12 31 20.1 – V C40
2021-07-09 19:47:15 C 19 55 02.15 +12 31 21.5 – V C40
2021-07-09 19:49:59 C 19 55 02.57 +12 31 22.6 – V C40
2021-07-09 19:54:04 C 19 55 03.20 +12 31 24.0 – V C40
2021-07-09 19:55:26 C 19 55 03.40 +12 31 24.6 – V C40
2021-07-09 19:59:32 C 19 55 04.03 +12 31 26.2 – V C40
2021-07-09 20:17:17 C 19 55 06.72 +12 31 32.7 – V C40
2021-07-09 20:20:00 C 19 55 07.12 +12 31 33.6 – V C40
2021-07-09 20:41:44 C 19 55 11.30 +12 31 40.7 – q L47
2021-07-09 20:59:02 C 19 55 13.01 +12 31 47.8 – V C40
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)