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 19:49:35 C 23 05 32.76 -00 59 35.3 V C40
2021-08-25 19:50:57 C 23 05 32.89 -00 59 36.8 V C40
2021-08-25 19:52:19 C 23 05 33.02 -00 59 38.5 V C40
2021-08-25 19:53:40 C 23 05 33.15 -00 59 39.9 V C40
2021-08-25 19:53:58 S 23 02 51.290 -00 57 40.28 V C57
2021-08-25 19:53:58 s 1 +45979.885 0 +363247.80 5570.0 C57
2021-08-25 20:00:29 C 23 05 33.79 -00 59 47.8 V C40
2021-08-25 20:03:14 C 23 05 34.06 -00 59 51.0 V C40
2021-08-25 20:03:58 S 23 02 52.351 -00 57 53.32 V C57
2021-08-25 20:03:58 s 1 +45610.341 0 +363425.59 3690.0 C57
2021-08-25 20:13:58 S 23 02 53.347 -00 58 04.37 V C57
2021-08-25 20:13:58 s 1 +45240.656 0 +363602.32 1420.0 C57
2021-08-25 20:21:33 C 23 05 35.78 -01 00 12.0 V C40
2021-08-25 20:22:56 C 23 05 35.91 -01 00 13.5 V C40
2021-08-25 20:23:58 S 23 02 54.310 -00 58 17.40 V C57
2021-08-25 20:23:58 s 1 +44870.831 0 +363777.97 8770.0 C57
2021-08-25 20:24:17 C 23 05 36.04 -01 00 15.1 V C40
2021-08-25 20:28:22 C 23 05 36.43 -01 00 19.8 V C40
2021-08-25 20:29:44 C 23 05 36.54 -01 00 21.3 V C40
2021-08-25 20:32:28 C 23 05 36.81 -01 00 24.5 V C40
2021-08-25 20:33:50 C 23 05 36.93 -01 00 26.0 V C40
2021-08-25 20:33:58 S 23 02 55.402 -00 58 29.21 V C57
2021-08-25 20:33:58 s 1 +44500.867 0 +363952.55 5740.0 C57
2021-08-25 20:36:34 C 23 05 37.18 -01 00 29.3 V C40
2021-08-25 20:37:56 C 23 05 37.32 -01 00 30.9 V C40
2021-08-25 20:39:17 C 23 05 37.44 -01 00 32.3 V C40
2021-08-25 20:43:58 S 23 02 56.338 -00 58 40.69 V C57
2021-08-25 20:43:58 s 1 +44130.766 0 +364126.07 2340.0 C57
2021-08-25 20:51:35 C 23 05 38.59 -01 00 46.4 V C40
2021-08-25 20:52:56 C 23 05 38.72 -01 00 47.9 V C40
2021-08-25 20:53:58 S 23 02 57.415 -00 58 53.18 V C57
2021-08-25 20:53:58 s 1 +43760.527 0 +364298.51 8570.0 C57
2021-08-25 20:55:39 C 23 05 38.97 -01 00 51.1 V C40
2021-08-25 21:03:58 S 23 02 58.318 -00 59 05.93 V C57
2021-08-25 21:03:58 s 1 +43390.154 0 +364469.89 4440.0 C57
2021-08-25 21:04:38 C 23 05 39.82 -01 01 01.5 V C40
2021-08-25 21:06:00 C 23 05 39.94 -01 01 03.1 V C40
2021-08-25 21:07:22 C 23 05 40.07 -01 01 04.5 V C40
2021-08-25 21:08:43 C 23 05 40.20 -01 01 06.0 V C40
2021-08-25 21:10:05 C 23 05 40.32 -01 01 07.6 V C40
2021-08-25 21:11:27 C 23 05 40.45 -01 01 09.1 V C40
2021-08-25 21:12:49 C 23 05 40.59 -01 01 10.8 V C40
2021-08-25 21:13:58 S 23 02 59.345 -00 59 18.28 V C57
2021-08-25 21:13:58 s 1 +43019.646 0 +364640.19 9940.0 C57
2021-08-25 21:14:11 C 23 05 40.70 -01 01 12.5 V C40
2021-08-25 21:19:39 C 23 05 41.22 -01 01 18.7 V C40
2021-08-25 21:22:22 C 23 05 41.46 -01 01 21.6 V C40
2021-08-25 21:23:58 S 23 03 00.310 -00 59 29.83 V C57
2021-08-25 21:23:58 s 1 +42649.005 0 +364809.44 5090.0 C57
2021-08-25 21:33:58 S 23 03 01.313 -00 59 42.14 V C57
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)