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
2021-07-14 19:27:25 C 20 15 07.39 +12 59 47.4 – V C40
2021-07-14 19:30:07 C 20 15 07.85 +12 59 47.8 – V C40
2021-07-14 19:34:14 C 20 15 08.54 +12 59 48.4 – V C40
2021-07-14 19:35:36 C 20 15 08.78 +12 59 48.6 – V C40
2021-07-14 19:43:44 C 20 15 10.14 +12 59 49.6 – V C40
2021-07-14 19:46:28 C 20 15 10.60 +12 59 50.0 – V C40
2021-07-14 19:47:49 C 20 15 10.84 +12 59 50.3 – V C40
2021-07-14 19:54:39 C 20 15 11.97 +12 59 51.0 – V C40
2021-07-14 19:57:23 C 20 15 12.42 +12 59 51.5 – V C40
2021-07-14 20:01:28 C 20 15 13.12 +12 59 51.9 – V C40
2021-07-14 20:02:49 C 20 15 13.34 +12 59 52.0 – V C40
2021-07-14 20:04:11 C 20 15 13.57 +12 59 52.4 – V C40
2021-07-14 20:05:34 C 20 15 13.79 +12 59 52.5 – V C40
2021-07-14 20:06:56 C 20 15 14.03 +12 59 52.8 – V C40
2021-07-14 20:09:40 C 20 15 14.49 +12 59 53.0 – V C40
2021-07-14 20:11:02 C 20 15 14.71 +12 59 53.2 – V C40
2021-07-14 20:12:22 C 20 15 14.93 +12 59 53.4 – V C40
2021-07-14 20:13:44 C 20 15 15.17 +12 59 53.5 – V C40
2021-07-14 20:19:13 C 20 15 16.07 +12 59 54.2 – V C40
2021-07-14 20:21:09 C 20 15 17.27 +12 59 53.4 – q L47
2021-07-14 20:28:18 C 20 15 17.59 +12 59 55.5 – V C40
2021-07-14 21:00:55 C 20 15 23.93 +12 59 58.7 – q L47
2021-07-14 21:20:15 C 20 15 26.68 +12 59 58.9 – V L18
2021-07-14 21:20:47 C 20 15 26.77 +12 59 58.9 – V L18
2021-07-14 21:23:59 C 20 15 27.31 +12 59 59.2 – V L18
2021-07-14 21:24:31 C 20 15 27.36 +12 59 59.3 – V L18
2021-07-14 21:25:03 C 20 15 27.50 +12 59 59.5 – V L18
2021-07-14 21:25:35 C 20 15 27.58 +12 59 59.5 – V L18
2021-07-14 21:26:07 C 20 15 27.67 +12 59 59.8 – V L18
2021-07-14 21:26:39 C 20 15 27.74 +12 59 59.8 – V L18
2021-07-14 21:27:11 C 20 15 27.82 +12 59 59.6 – V L18
2021-07-14 21:27:43 C 20 15 27.91 +12 59 59.8 – V L18
2021-07-14 22:10:26 C 20 15 35.92 +13 00 01.8 – V Z80
2021-07-14 22:12:27 C 20 15 36.23 +13 00 02.3 – V Z80
2021-07-14 22:14:27 C 20 15 36.57 +13 00 02.5 – V Z80
2021-07-15 19:33:10 C 20 19 23.93 +13 01 56.4 – V C40
2021-07-15 19:52:03 C 20 19 27.16 +13 01 58.1 – V C40
2021-07-15 19:53:25 C 20 19 27.39 +13 01 58.2 – V C40
2021-07-15 19:54:47 C 20 19 27.63 +13 01 58.3 – V C40
2021-07-15 19:56:09 C 20 19 27.86 +13 01 58.4 – V C40
2021-07-15 19:57:31 C 20 19 28.10 +13 01 58.6 – V C40
2021-07-15 19:58:54 C 20 19 28.34 +13 01 58.6 – V C40
2021-07-15 20:00:16 C 20 19 28.57 +13 01 58.7 – V C40
2021-07-15 20:01:37 C 20 19 28.80 +13 01 58.8 – V C40
2021-07-15 20:02:59 C 20 19 29.03 +13 01 59.1 – V C40
2021-07-15 20:04:20 C 20 19 29.27 +13 01 59.1 – V C40
2021-07-15 20:07:04 C 20 19 29.72 +13 01 59.4 – V C40
2021-07-15 20:22:05 C 20 19 32.28 +13 02 00.5 – V C40
2021-07-15 20:31:20 C 20 19 33.86 +13 02 01.1 – V C40
2021-07-15 20:32:42 C 20 19 34.09 +13 02 01.3 – 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)