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
2021-08-25 13:23:58 S 23 02 12.586 -00 49 42.17 V C57
2021-08-25 13:23:58 s 1 +60268.543 0 +355472.11 6450.0 C57
2021-08-25 13:33:58 S 23 02 13.649 -00 49 54.30 V C57
2021-08-25 13:33:58 s 1 +59905.491 0 +355692.15 2720.0 C57
2021-08-25 14:43:58 S 23 02 20.561 -00 51 19.87 V C57
2021-08-25 14:43:58 s 1 +57358.853 0 +357201.76 1580.0 C57
2021-08-25 14:53:58 S 23 02 21.492 -00 51 31.36 V C57
2021-08-25 14:53:58 s 1 +56994.310 0 +357413.05 3610.0 C57
2021-08-25 16:33:58 S 23 02 31.418 -00 53 34.84 V C57
2021-08-25 16:33:58 s 1 +53339.170 0 +359466.12 6480.0 C57
2021-08-25 16:43:58 S 23 02 32.462 -00 53 47.15 V C57
2021-08-25 16:43:58 s 1 +52972.713 0 +359665.46 3120.0 C57
2021-08-25 16:53:58 S 23 02 33.449 -00 53 59.03 V C57
2021-08-25 16:53:58 s 1 +52606.090 0 +359863.71 9290.0 C57
2021-08-25 17:03:58 S 23 02 34.483 -00 54 11.74 V C57
2021-08-25 17:03:58 s 1 +52239.302 0 +360060.88 5010.0 C57
2021-08-25 18:03:58 S 23 02 40.382 -00 55 25.68 V C57
2021-08-25 18:03:58 s 1 +50035.182 0 +361221.22 9840.0 C57
2021-08-25 18:13:58 S 23 02 41.462 -00 55 37.16 V C57
2021-08-25 18:13:58 s 1 +49667.274 0 +361410.83 2440.0 C57
2021-08-25 18:23:58 S 23 02 42.350 -00 55 49.80 V C57
2021-08-25 18:23:58 s 1 +49299.212 0 +361599.37 4610.0 C57
2021-08-25 18:33:58 S 23 02 43.414 -00 56 02.47 V C57
2021-08-25 18:33:58 s 1 +48930.996 0 +361786.83 6360.0 C57
2021-08-25 18:43:58 S 23 02 44.366 -00 56 14.68 V C57
2021-08-25 18:43:58 s 1 +48562.628 0 +361973.21 7690.0 C57
2021-08-25 18:53:58 S 23 02 45.458 -00 56 26.56 V C57
2021-08-25 18:53:58 s 1 +48194.108 0 +362158.52 8600.0 C57
2021-08-25 19:03:58 S 23 02 46.380 -00 56 38.18 V C57
2021-08-25 19:03:58 s 1 +47825.439 0 +362342.75 9110.0 C57
2021-08-25 19:13:58 S 23 02 47.318 -00 56 51.40 V C57
2021-08-25 19:13:58 s 1 +47456.620 0 +362525.91 9200.0 C57
2021-08-25 19:23:58 S 23 02 48.391 -00 57 03.92 V C57
2021-08-25 19:23:58 s 1 +47087.655 0 +362707.99 8890.0 C57
2021-08-25 19:27:45 C 23 05 30.71 -00 59 10.1 V C40
2021-08-25 19:30:29 C 23 05 30.96 -00 59 13.4 V C40
2021-08-25 19:31:50 C 23 05 31.09 -00 59 14.8 V C40
2021-08-25 19:33:58 S 23 02 49.349 -00 57 16.20 V C57
2021-08-25 19:33:58 s 1 +46718.543 0 +362889.00 8180.0 C57
2021-08-25 19:34:33 C 23 05 31.34 -00 59 18.0 V C40
2021-08-25 19:35:55 C 23 05 31.47 -00 59 19.7 V C40
2021-08-25 19:37:18 C 23 05 31.60 -00 59 21.0 V C40
2021-08-25 19:40:02 C 23 05 31.85 -00 59 24.3 V C40
2021-08-25 19:41:24 C 23 05 31.99 -00 59 25.8 V C40
2021-08-25 19:42:44 C 23 05 32.12 -00 59 27.2 V C40
2021-08-25 19:43:58 S 23 02 50.374 -00 57 28.22 V C57
2021-08-25 19:43:58 s 1 +46349.286 0 +363068.94 7070.0 C57
2021-08-25 19:45:28 C 23 05 32.38 -00 59 30.4 V C40
2021-08-25 19:46:50 C 23 05 32.51 -00 59 31.9 V C40
2021-08-25 19:48:12 C 23 05 32.63 -00 59 33.6 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)