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
2021-08-02 19:51:10 C 21 42 49.49 +09 48 43.2 – V C40
2021-08-02 19:55:24 C 21 42 50.26 +09 48 39.3 – V C40
2021-08-02 19:56:48 C 21 42 50.52 +09 48 37.8 – V C40
2021-08-02 20:18:00 C 21 42 54.37 +09 48 18.7 – V C40
2021-08-02 20:20:13 C 21 42 55.10 +09 48 12.9 – V L18
2021-08-02 20:20:39 C 21 42 55.19 +09 48 12.2 – V L18
2021-08-02 20:21:06 C 21 42 55.27 +09 48 11.9 – V L18
2021-08-02 20:21:33 C 21 42 55.36 +09 48 11.6 – V L18
2021-08-02 20:22:00 C 21 42 55.43 +09 48 11.2 – V L18
2021-08-02 20:22:27 C 21 42 55.51 +09 48 10.7 – V L18
2021-08-02 20:22:54 C 21 42 55.60 +09 48 10.3 – V L18
2021-08-02 20:23:21 C 21 42 55.69 +09 48 09.9 – V L18
2021-08-02 20:23:48 C 21 42 55.76 +09 48 09.4 – V L18
2021-08-02 20:24:15 C 21 42 55.85 +09 48 09.0 – V L18
2021-08-02 20:24:42 C 21 42 55.94 +09 48 08.6 – V L18
2021-08-02 20:25:09 C 21 42 56.01 +09 48 08.2 – V L18
2021-08-02 20:25:36 C 21 42 56.09 +09 48 07.8 – V L18
2021-08-02 20:26:03 C 21 42 56.19 +09 48 07.4 – V L18
2021-08-02 20:26:30 C 21 42 56.26 +09 48 07.0 – V L18
2021-08-02 20:43:25 C 21 42 59.18 +09 47 50.7 – V L99
2021-08-02 20:44:40 C 21 42 59.37 +09 47 48.8 – V L99
2021-08-02 20:45:55 C 21 42 59.63 +09 47 47.8 – V L99
2021-08-02 20:47:00 C 21 42 59.63 +09 47 51.6 – V C40
2021-08-02 20:47:10 C 21 42 59.86 +09 47 47.0 – V L99
2021-08-02 20:48:25 C 21 42 59.88 +09 47 50.3 – V C40
2021-08-02 20:48:25 C 21 43 00.09 +09 47 46.3 – V L99
2021-08-02 20:51:13 C 21 43 00.38 +09 47 47.6 – V C40
2021-08-02 20:56:50 C 21 43 01.40 +09 47 42.6 – V C40
2021-08-02 21:02:27 C 21 43 02.42 +09 47 37.4 – V C40
2021-08-02 21:05:17 C 21 43 02.92 +09 47 34.6 – V C40
2021-08-02 21:06:40 C 21 43 03.18 +09 47 33.5 – V C40
2021-08-02 21:08:04 C 21 43 03.43 +09 47 32.1 – V C40
2021-08-02 21:09:30 C 21 43 03.68 +09 47 30.8 – V C40
2021-08-02 21:10:54 C 21 43 03.93 +09 47 29.4 – V C40
2021-08-02 21:13:43 C 21 43 04.45 +09 47 26.7 – V C40
2021-08-02 21:15:07 C 21 43 04.70 +09 47 25.6 – V C40
2021-08-02 21:16:31 C 21 43 04.96 +09 47 24.2 – V C40
2021-08-02 21:17:54 C 21 43 05.21 +09 47 22.9 – V C40
2021-08-02 21:19:20 C 21 43 05.46 +09 47 21.6 – V C40
2021-08-02 21:20:44 C 21 43 05.72 +09 47 20.2 – V C40
2021-08-02 21:22:07 C 21 43 05.96 +09 47 18.9 – V C40
2021-08-02 21:23:32 C 21 43 06.22 +09 47 17.7 – V C40
2021-08-02 21:24:57 C 21 43 06.48 +09 47 16.3 – V C40
2021-08-03 11:49:01 C 21 45 49.64 +09 33 55.3 – V T08
2021-08-03 11:57:40 C 21 45 51.15 +09 33 46.9 – V T08
2021-08-03 12:06:25 C 21 45 52.68 +09 33 38.4 – V T08
2021-08-03 12:25:16 C 21 45 55.98 +09 33 20.1 – V T08
2021-08-03 19:49:53 C 21 47 21.37 +09 25 51.9 – – 186
2021-08-03 19:50:55 C 21 47 21.54 +09 25 51.0 – – 186
2021-08-03 22:48:41 C 21 47 54.57 +09 22 49.9 – V 089
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)