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
2021-08-31 04:13:58 s 1 -193696.53 1 +193729.57 7370.0 C57
2021-08-31 04:23:58 S 23 16 12.989 -03 24 08.82 V C57
2021-08-31 04:23:58 s 1 -193796.00 9 +193085.93 4320.0 C57
2021-08-31 05:03:58 S 23 16 17.395 -03 24 49.57 V C57
2021-08-31 05:03:58 s 1 -194181.29 2 +190498.85 650.0 C57
2021-08-31 05:23:58 S 23 16 19.483 -03 25 10.88 V C57
2021-08-31 05:23:58 s 1 -194366.27 7 +189197.78 8690.0 C57
2021-08-31 05:33:58 S 23 16 20.546 -03 25 20.82 V C57
2021-08-31 05:33:58 s 1 -194456.83 6 +188545.37 6370.0 C57
2021-08-31 06:33:58 S 23 16 27.070 -03 26 25.08 V C57
2021-08-31 06:33:58 s 1 -194972.74 2 +184604.49 2370.0 C57
2021-08-31 06:53:58 S 23 16 29.213 -03 26 44.81 V C57
2021-08-31 06:53:58 s 1 -195134.11 3 +183280.79 2940.0 C57
2021-08-31 07:03:58 S 23 16 30.235 -03 26 56.65 V C57
2021-08-31 07:03:58 s 1 -195212.78 4 +182617.05 1620.0 C57
2021-08-31 17:28:12 C 23 18 18.78 -03 32 49.0 V N86
2021-08-31 17:40:50 C 23 18 19.69 -03 33 02.1 V N86
2021-08-31 17:53:15 C 23 18 20.73 -03 33 13.9 V N86
2021-08-31 18:05:48 C 23 18 21.51 -03 33 26.8 V N86
2021-08-31 22:16:45 C 23 18 40.96 -03 37 40.0 V 089
2021-08-31 22:20:04 C 23 18 41.20 -03 37 43.2 V 089
2021-08-31 22:23:23 C 23 18 41.44 -03 37 46.7 V 089
2021-08-31 22:26:41 C 23 18 41.66 -03 37 50.0 V 089
2021-08-31 22:30:00 C 23 18 41.90 -03 37 53.3 V 089
2021-08-31 22:33:18 C 23 18 42.14 -03 37 56.7 V 089
2021-08-31 22:36:37 C 23 18 42.37 -03 37 59.9 V 089
2021-08-31 22:39:55 C 23 18 42.60 -03 38 03.3 V 089
2021-08-31 22:43:14 C 23 18 42.84 -03 38 06.7 V 089
2021-09-01 12:35:34 C 23 19 46.36 -03 51 41.9 V T05
2021-09-01 12:38:12 C 23 19 46.57 -03 51 44.4 V T05
2021-09-01 12:42:52 C 23 19 46.89 -03 51 49.0 V T05
2021-09-01 12:50:49 C 23 19 47.42 -03 51 56.8 V T05
2021-09-01 13:36:04 C 23 19 50.48 -03 52 41.2 V T05
2021-09-01 13:40:03 C 23 19 50.75 -03 52 45.2 V T05
2021-09-01 21:03:35 C 23 20 26.86 -04 00 16.0 Y 557
2021-09-01 21:40:43 C 23 20 29.43 -04 00 52.5 Y 557
2021-09-01 22:08:31 C 23 20 31.34 -04 01 19.9 Y 557
2021-09-01 22:39:27 C 23 20 33.44 -04 01 50.1 Y 557
2021-09-01 23:13:28 C 23 20 35.76 -04 02 23.4 Y 557
2021-09-02 21:01:48 C 23 22 12.59 -04 23 24.0 Y 557
2021-09-02 21:45:05 C 23 22 15.44 -04 24 05.4 Y 557
2021-09-02 22:31:27 C 23 22 18.47 -04 24 49.6 Y 557
2021-09-02 23:17:50 C 23 22 21.47 -04 25 33.6 Y 557
2021-09-03 00:01:07 C 23 22 24.26 -04 26 14.6 Y 557
2021-09-03 00:47:30 C 23 22 27.26 -04 26 58.4 Y 557
2021-09-03 01:30:46 C 23 22 30.07 -04 27 39.1 Y 557
2021-09-03 02:17:09 C 23 22 33.10 -04 28 22.8 Y 557
2021-09-03 07:41:52 C 23 22 57.28 -04 33 21.1 V 703
2021-09-03 07:49:33 C 23 22 57.75 -04 33 28.4 V 703
2021-09-03 07:58:11 C 23 22 58.29 -04 33 36.5 V 703
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)