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 06:03:58 s 1 +123382.54 9 +293707.47 5110.0 C57
2021-08-24 06:13:58 S 22 59 11.554 -00 11 02.00 V C57
2021-08-24 06:13:58 s 1 +123084.64 5 +294149.25 8900.0 C57
2021-08-24 06:23:58 S 22 59 12.497 -00 11 14.89 V C57
2021-08-24 06:23:58 s 1 +122786.20 0 +294589.74 1010.0 C57
2021-08-24 06:33:58 S 22 59 13.397 -00 11 27.49 V C57
2021-08-24 06:33:58 s 1 +122487.21 7 +295028.95 1440.0 C57
2021-08-24 06:43:58 S 22 59 14.402 -00 11 39.70 V C57
2021-08-24 06:43:58 s 1 +122187.69 9 +295466.88 210.0 C57
2021-08-24 06:53:58 S 22 59 15.286 -00 11 52.01 V C57
2021-08-24 06:53:58 s 1 +121887.64 8 +295903.52 7320.0 C57
2021-08-24 07:03:58 S 22 59 16.258 -00 12 04.57 V C57
2021-08-24 07:03:58 s 1 +121587.06 7 +296338.89 2790.0 C57
2021-08-24 07:13:58 S 22 59 17.194 -00 12 16.96 V C57
2021-08-24 07:13:58 s 1 +121285.95 8 +296772.98 6620.0 C57
2021-08-24 07:23:58 S 22 59 18.120 -00 12 30.24 V C57
2021-08-24 07:23:58 s 1 +120984.32 4 +297205.79 8820.0 C57
2021-08-24 07:33:58 S 22 59 19.114 -00 12 42.62 V C57
2021-08-24 07:33:58 s 1 +120682.16 8 +297637.32 9390.0 C57
2021-08-24 07:43:58 S 22 59 19.994 -00 12 54.61 V C57
2021-08-24 07:43:58 s 1 +120379.49 3 +298067.59 8360.0 C57
2021-08-24 07:53:58 S 22 59 20.988 -00 13 07.07 V C57
2021-08-24 07:53:58 s 1 +120076.29 9 +298496.58 5710.0 C57
2021-08-24 08:03:58 S 22 59 21.907 -00 13 19.27 V C57
2021-08-24 08:03:58 s 1 +119772.59 2 +298924.30 1480.0 C57
2021-08-24 08:13:58 S 22 59 22.879 -00 13 32.52 V C57
2021-08-24 08:13:58 s 1 +119468.37 2 +299350.74 5650.0 C57
2021-08-24 09:03:58 S 22 59 27.576 -00 14 35.70 V C57
2021-08-24 09:03:58 s 1 +117939.67 8 +301463.98 2970.0 C57
2021-08-24 09:13:58 S 22 59 28.620 -00 14 47.87 V C57
2021-08-24 09:13:58 s 1 +117632.43 7 +301882.84 7780.0 C57
2021-08-24 09:23:58 S 22 59 29.494 -00 15 00.07 V C57
2021-08-24 09:23:58 s 1 +117324.70 2 +302300.44 1060.0 C57
2021-08-24 09:33:58 S 22 59 30.434 -00 15 12.35 V C57
2021-08-24 09:33:58 s 1 +117016.47 5 +302716.77 2810.0 C57
2021-08-24 09:43:58 S 22 59 31.399 -00 15 24.26 V C57
2021-08-24 09:43:58 s 1 +116707.75 8 +303131.85 3050.0 C57
2021-08-24 09:53:58 S 22 59 32.297 -00 15 37.08 V C57
2021-08-24 09:53:58 s 1 +116398.55 3 +303545.68 1790.0 C57
2021-08-24 10:03:58 S 22 59 33.319 -00 15 49.32 V C57
2021-08-24 10:03:58 s 1 +116088.86 4 +303958.24 9020.0 C57
2021-08-24 10:13:58 S 22 59 34.236 -00 16 02.03 V C57
2021-08-24 10:13:58 s 1 +115778.69 2 +304369.55 4750.0 C57
2021-08-24 10:23:58 S 22 59 35.172 -00 16 14.81 V C57
2021-08-24 10:23:58 s 1 +115468.03 9 +304779.61 9010.0 C57
2021-08-24 10:33:58 S 22 59 36.134 -00 16 26.80 V C57
2021-08-24 10:33:58 s 1 +115156.90 9 +305188.42 1780.0 C57
2021-08-24 10:43:58 S 22 59 37.049 -00 16 39.50 V C57
2021-08-24 10:43:58 s 1 +114845.30 4 +305595.98 3090.0 C57
2021-08-24 10:53:58 S 22 59 38.057 -00 16 51.71 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)