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
2021-06-29 22:42:32 C 19 21 14.31 +10 25 23.7 q 160
2021-06-30 00:43:11 C 19 21 27.87 +10 26 44.3 V 094
2021-06-30 00:45:16 C 19 21 28.12 +10 26 45.9 V 094
2021-06-30 23:26:29 C 19 24 23.51 +10 41 50.3 V 130
2021-06-30 23:27:38 C 19 24 23.65 +10 41 51.1 V 130
2021-06-30 23:35:42 C 19 24 24.63 +10 41 56.4 V 130
2021-06-30 23:37:14 C 19 24 24.82 +10 41 57.4 V 130
2021-07-01 03:16:03 C 19 24 54.51 +10 44 24.0 X W34
2021-07-01 03:27:57 C 19 24 55.95 +10 44 32.1 X W34
2021-07-01 03:37:50 C 19 24 57.14 +10 44 38.8 X W34
2021-07-01 12:37:29 C 19 26 05.30 +10 50 37.1 V T08
2021-07-01 12:44:51 C 19 26 06.19 +10 50 41.7 V T08
2021-07-01 13:03:57 C 19 26 08.51 +10 50 53.6 V T08
2021-07-01 13:14:54 C 19 26 09.83 +10 51 00.4 V T08
2021-07-02 07:49:15 C 19 28 39.37 +11 02 30.1 q U69
2021-07-02 08:18:51 C 19 28 43.07 +11 02 48.2 q U69
2021-07-02 08:43:23 C 19 28 46.10 +11 03 03.6 q U69
2021-07-02 09:29:24 C 19 28 53.29 +11 03 42.0 V T08
2021-07-02 09:32:42 C 19 28 53.70 +11 03 44.2 V T08
2021-07-02 10:20:02 C 19 28 59.55 +11 04 13.7 V T08
2021-07-02 10:35:14 C 19 29 01.42 +11 04 23.1 V T08
2021-07-04 06:43:54 C 19 35 04.46 +11 30 04.3 q W11
2021-07-04 07:02:16 C 19 35 06.85 +11 30 14.5 q W11
2021-07-04 07:20:46 C 19 35 09.27 +11 30 24.7 q W11
2021-07-05 09:52:50 C 19 38 55.62 +11 44 48.1 q U69
2021-07-05 10:36:19 C 19 39 01.48 +11 45 10.3 q U69
2021-07-05 11:06:52 C 19 39 05.64 +11 45 25.6 q U69
2021-07-05 20:58:09 C 19 40 34.22 +11 50 24.1 q L47
2021-07-05 21:38:51 C 19 40 39.86 +11 50 45.4 q L47
2021-07-06 09:37:06 C 19 42 25.11 +11 56 58.8 V T08
2021-07-06 09:39:56 C 19 42 25.50 +11 57 00.3 V T08
2021-07-06 09:44:35 C 19 42 26.13 +11 57 02.5 V T08
2021-07-06 10:32:39 C 19 42 32.68 +11 57 26.3 V T08
2021-07-06 20:44:41 C 19 44 04.68 +12 02 00.7 q L47
2021-07-06 21:05:51 C 19 44 07.73 +12 02 12.8 Z L74
2021-07-06 21:11:52 C 19 44 08.56 +12 02 15.8 Z L74
2021-07-06 21:16:53 C 19 44 09.28 +12 02 15.9 q L47
2021-07-06 21:17:34 C 19 44 09.37 +12 02 18.6 Z L74
2021-07-06 21:59:19 C 19 44 15.46 +12 02 31.5 V Z80
2021-07-06 22:02:19 C 19 44 15.92 +12 02 33.1 V Z80
2021-07-06 22:09:08 C 19 44 16.88 +12 02 36.4 V Z80
2021-07-07 21:46:47 C 19 47 51.13 +12 13 19.0 V K83
2021-07-07 21:47:49 C 19 47 51.29 +12 13 19.5 V K83
2021-07-07 21:48:52 C 19 47 51.43 +12 13 19.9 V K83
2021-07-07 21:59:15 C 19 47 53.09 +12 13 19.2 V Z80
2021-07-07 22:01:15 C 19 47 53.37 +12 13 20.4 V Z80
2021-07-07 22:03:15 C 19 47 53.66 +12 13 21.0 V Z80
2021-07-07 22:06:48 C 19 47 53.69 +12 13 25.0 X G02
2021-07-07 22:09:48 C 19 47 54.16 +12 13 26.5 X G02
2021-07-07 22:12:49 C 19 47 54.57 +12 13 27.9 X G02
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)