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
2021-08-24 20:23:58 S 23 00 32.772 -00 28 41.27 V C57
2021-08-24 20:23:58 s 1 +96034.615 0 +327136.50 1330.0 C57
2021-08-24 20:24:11 C 23 03 06.54 -00 32 28.6 V C40
2021-08-24 20:33:58 S 23 00 33.696 -00 28 53.29 V C57
2021-08-24 20:33:58 s 1 +95698.805 0 +327472.40 8440.0 C57
2021-08-24 20:43:58 S 23 00 34.663 -00 29 06.04 V C57
2021-08-24 20:43:58 s 1 +95362.646 0 +327807.11 4490.0 C57
2021-08-24 20:46:40 C 23 03 08.74 -00 32 55.0 V C40
2021-08-24 20:50:47 C 23 03 09.15 -00 32 59.8 V C40
2021-08-24 20:53:58 S 23 00 35.638 -00 29 18.17 V C57
2021-08-24 20:53:58 s 1 +95026.137 0 +328140.64 9470.0 C57
2021-08-24 20:57:35 C 23 03 09.82 -00 33 07.7 V C40
2021-08-24 20:58:57 C 23 03 09.94 -00 33 09.3 V C40
2021-08-24 21:03:58 S 23 00 36.595 -00 29 30.52 V C57
2021-08-24 21:03:58 s 1 +94689.283 0 +328472.99 3410.0 C57
2021-08-24 21:04:25 C 23 03 10.47 -00 33 15.5 V C40
2021-08-24 21:05:47 C 23 03 10.61 -00 33 17.3 V C40
2021-08-24 21:08:30 C 23 03 10.86 -00 33 20.5 V C40
2021-08-24 21:09:52 C 23 03 11.00 -00 33 22.0 V C40
2021-08-24 21:13:58 C 23 03 11.41 -00 33 26.8 V C40
2021-08-24 21:13:58 S 23 00 37.603 -00 29 43.55 V C57
2021-08-24 21:13:58 s 1 +94352.083 0 +328804.17 6300.0 C57
2021-08-24 21:15:20 C 23 03 11.55 -00 33 28.5 V C40
2021-08-24 21:16:42 C 23 03 11.67 -00 33 29.9 V C40
2021-08-24 21:18:04 C 23 03 11.80 -00 33 31.5 V C40
2021-08-24 21:19:26 C 23 03 11.93 -00 33 33.3 V C40
2021-08-24 21:22:09 C 23 03 12.20 -00 33 36.3 V C40
2021-08-24 21:23:31 C 23 03 12.33 -00 33 38.0 V C40
2021-08-24 21:23:58 S 23 00 38.518 -00 29 55.79 V C57
2021-08-24 21:23:58 s 1 +94014.541 0 +329134.17 8160.0 C57
2021-08-24 21:24:52 C 23 03 12.47 -00 33 39.5 V C40
2021-08-24 21:26:00 C 23 03 12.58 -00 33 40.9 V C40
2021-08-24 21:27:20 C 23 03 12.70 -00 33 42.5 V C40
2021-08-24 21:31:26 C 23 03 13.10 -00 33 47.3 V C40
2021-08-24 21:32:49 C 23 03 13.24 -00 33 48.9 V C40
2021-08-24 21:33:58 S 23 00 39.535 -00 30 08.32 V C57
2021-08-24 21:33:58 s 1 +93676.657 0 +329462.99 8980.0 C57
2021-08-24 21:36:55 C 23 03 13.64 -00 33 53.7 V C40
2021-08-24 21:38:15 C 23 03 13.77 -00 33 55.2 V C40
2021-08-24 21:39:37 C 23 03 13.90 -00 33 56.6 V C40
2021-08-24 21:43:58 S 23 00 40.495 -00 30 20.20 V C57
2021-08-24 21:43:58 s 1 +93338.434 0 +329790.63 8770.0 C57
2021-08-24 21:53:58 S 23 00 41.436 -00 30 32.58 V C57
2021-08-24 21:53:58 s 1 +92999.874 0 +330117.11 7550.0 C57
2021-08-24 21:56:44 C 23 03 15.79 -00 34 17.6 V 089
2021-08-24 22:00:02 C 23 03 16.12 -00 34 21.3 V 089
2021-08-24 22:03:20 C 23 03 16.42 -00 34 25.6 V 089
2021-08-24 22:03:58 S 23 00 42.466 -00 30 45.14 V C57
2021-08-24 22:03:58 s 1 +92660.978 0 +330442.40 5300.0 C57
2021-08-24 22:06:38 C 23 03 16.76 -00 34 29.8 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)