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
2021-08-15 02:22:01 C 22 33 20.75 +04 14 29.4 – Y 557
2021-08-15 18:41:00 C 22 35 47.53 +03 54 07.4 – V C40
2021-08-15 18:45:13 C 22 35 48.12 +03 54 02.4 – V C40
2021-08-15 18:49:26 C 22 35 48.70 +03 53 57.3 – V C40
2021-08-15 18:53:40 C 22 35 49.29 +03 53 52.1 – V C40
2021-08-15 18:56:28 C 22 35 49.68 +03 53 48.6 – V C40
2021-08-15 18:57:53 C 22 35 49.87 +03 53 46.9 – V C40
2021-08-15 18:59:17 C 22 35 50.06 +03 53 45.0 – V C40
2021-08-15 19:00:41 C 22 35 50.26 +03 53 43.3 – V C40
2021-08-15 19:02:06 C 22 35 50.47 +03 53 41.5 – V C40
2021-08-15 19:03:31 C 22 35 50.65 +03 53 39.9 – V C40
2021-08-15 19:04:54 C 22 35 50.85 +03 53 38.0 – V C40
2021-08-15 19:09:08 C 22 35 51.44 +03 53 32.8 – V C40
2021-08-15 19:10:31 C 22 35 51.62 +03 53 31.1 – V C40
2021-08-15 19:11:13 C 22 35 50.85 +03 53 24.0 – q 168
2021-08-15 19:16:08 C 22 35 52.41 +03 53 23.9 – V C40
2021-08-15 19:17:34 C 22 35 52.60 +03 53 22.4 – V C40
2021-08-15 19:18:58 C 22 35 52.78 +03 53 20.6 – V C40
2021-08-15 19:20:21 C 22 35 52.99 +03 53 18.8 – V C40
2021-08-15 19:48:44 C 22 35 56.90 +03 52 43.3 – V C40
2021-08-15 19:50:08 C 22 35 57.10 +03 52 41.7 – V C40
2021-08-15 19:51:33 C 22 35 57.28 +03 52 39.9 – V C40
2021-08-15 19:52:57 C 22 35 57.48 +03 52 38.2 – V C40
2021-08-15 19:54:21 C 22 35 57.68 +03 52 36.2 – V C40
2021-08-15 19:55:45 C 22 35 57.87 +03 52 34.7 – V C40
2021-08-15 19:57:10 C 22 35 58.06 +03 52 32.9 – V C40
2021-08-15 19:58:35 C 22 35 58.25 +03 52 31.1 – V C40
2021-08-15 19:59:58 C 22 35 58.44 +03 52 29.5 – V C40
2021-08-15 20:01:22 C 22 35 58.64 +03 52 27.6 – V C40
2021-08-15 20:02:48 C 22 35 58.83 +03 52 25.7 – V C40
2021-08-15 20:04:11 C 22 35 59.02 +03 52 24.0 – V C40
2021-08-15 20:05:35 C 22 35 59.21 +03 52 22.4 – V C40
2021-08-15 20:07:01 C 22 35 59.40 +03 52 20.6 – V C40
2021-08-15 20:08:25 C 22 35 59.60 +03 52 18.9 – V C40
2021-08-15 20:09:48 C 22 35 59.78 +03 52 17.1 – V C40
2021-08-15 20:11:13 C 22 35 59.98 +03 52 15.6 – V C40
2021-08-15 20:12:38 C 22 36 00.17 +03 52 13.6 – V C40
2021-08-15 20:14:02 C 22 36 00.36 +03 52 11.8 – V C40
2021-08-15 20:15:26 C 22 36 00.55 +03 52 10.1 – V C40
2021-08-15 20:16:25 C 22 35 59.84 +03 52 02.5 – q 168
2021-08-15 20:16:50 C 22 36 00.74 +03 52 08.4 – V C40
2021-08-15 20:21:03 C 22 36 01.32 +03 52 03.0 – V C40
2021-08-15 20:22:28 C 22 36 01.51 +03 52 01.2 – V C40
2021-08-15 20:23:53 C 22 36 01.71 +03 51 59.5 – V C40
2021-08-15 20:28:06 C 22 36 02.30 +03 51 54.3 – V C40
2021-08-15 20:31:39 C 22 36 02.79 +03 51 49.9 – V C40
2021-08-15 20:33:04 C 22 36 02.98 +03 51 48.2 – V C40
2021-08-15 20:34:28 C 22 36 03.16 +03 51 46.4 – V C40
2021-08-15 20:38:41 C 22 36 03.73 +03 51 41.2 – V C40
2021-08-15 20:40:05 C 22 36 03.93 +03 51 39.5 – 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)