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
2021-07-15 20:42:16 C 20 19 35.71 +13 02 02.0 – V C40
2021-07-15 20:43:37 C 20 19 35.95 +13 02 02.0 – V C40
2021-07-15 20:44:59 C 20 19 36.18 +13 02 02.2 – V C40
2021-07-15 20:46:21 C 20 19 36.41 +13 02 02.3 – V C40
2021-07-15 20:50:28 C 20 19 37.10 +13 02 02.6 – V C40
2021-07-15 20:51:50 C 20 19 37.34 +13 02 02.7 – V C40
2021-07-15 20:53:11 C 20 19 37.56 +13 02 02.9 – V C40
2021-07-15 20:54:33 C 20 19 37.80 +13 02 02.9 – V C40
2021-07-15 20:57:16 C 20 19 38.26 +13 02 03.0 – V C40
2021-07-15 21:00:00 C 20 19 38.73 +13 02 03.3 – V C40
2021-07-15 21:02:44 C 20 19 39.18 +13 02 03.5 – V C40
2021-07-15 21:04:06 C 20 19 39.42 +13 02 03.5 – V C40
2021-07-15 21:05:28 C 20 19 39.64 +13 02 03.7 – V C40
2021-07-15 21:10:16 C 20 19 40.46 +13 02 04.1 – V C40
2021-07-15 21:11:38 C 20 19 40.69 +13 02 04.0 – V C40
2021-07-15 21:13:00 C 20 19 40.92 +13 02 04.1 – V C40
2021-07-15 21:14:22 C 20 19 41.15 +13 02 04.2 – V C40
2021-07-15 21:15:44 C 20 19 41.39 +13 02 04.4 – V C40
2021-07-15 21:18:26 C 20 19 41.85 +13 02 04.5 – V C40
2021-07-15 21:19:48 C 20 19 42.07 +13 02 04.5 – V C40
2021-07-15 21:21:10 C 20 19 42.31 +13 02 04.7 – V C40
2021-07-15 21:22:33 C 20 19 42.54 +13 02 04.7 – V C40
2021-07-15 21:23:55 C 20 19 42.77 +13 02 04.8 – V C40
2021-07-15 21:25:17 C 20 19 43.01 +13 02 04.9 – V C40
2021-07-15 21:28:01 C 20 19 43.47 +13 02 05.1 – V C40
2021-07-15 21:32:06 C 20 19 44.16 +13 02 05.3 – V C40
2021-07-15 21:33:27 C 20 19 44.39 +13 02 05.4 – V C40
2021-07-15 21:36:12 C 20 19 44.84 +13 02 05.6 – V C40
2021-07-15 21:43:00 C 20 19 46.00 +13 02 06.0 – V C40
2021-07-15 21:55:39 C 20 19 49.40 +13 02 00.3 – V Z80
2021-07-15 21:57:39 C 20 19 49.74 +13 02 01.0 – V Z80
2021-07-15 21:59:39 C 20 19 50.09 +13 02 01.2 – V Z80
2021-07-15 22:19:56 C 20 19 52.56 +13 02 06.7 – V 089
2021-07-15 22:23:15 C 20 19 53.10 +13 02 07.0 – V 089
2021-07-15 22:26:33 C 20 19 53.69 +13 02 06.7 – V 089
2021-07-15 22:29:51 C 20 19 54.23 +13 02 07.4 – V 089
2021-07-15 22:39:45 C 20 19 55.92 +13 02 08.1 – V 089
2021-07-15 22:43:03 C 20 19 56.47 +13 02 07.7 – V 089
2021-07-15 22:46:21 C 20 19 57.03 +13 02 08.3 – V 089
2021-07-15 23:22:48 C 20 20 03.20 +13 02 09.8 – V 089
2021-07-16 07:54:54 C 20 21 36.36 +13 02 32.9 – q U65
2021-07-16 08:07:06 C 20 21 38.47 +13 02 33.3 – q U65
2021-07-16 08:17:32 C 20 21 40.24 +13 02 33.4 – q U65
2021-07-16 19:00:31 C 20 23 38.07 +13 02 47.1 – V C40
2021-07-16 19:23:43 C 20 23 42.12 +13 02 47.8 – V C40
2021-07-16 19:30:31 C 20 23 43.32 +13 02 47.9 – V C40
2021-07-16 19:56:02 C 20 23 47.75 +13 02 48.8 – V C40
2021-07-16 20:01:30 C 20 23 48.71 +13 02 49.0 – V C40
2021-07-16 20:02:51 C 20 23 48.94 +13 02 48.9 – V C40
2021-07-16 20:09:41 C 20 23 50.13 +13 02 49.1 – 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)