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
2021-08-26 21:13:58 s 1 -11159.572 0 +378254.28 220.0 C57
2021-08-26 21:23:58 S 23 05 25.661 -01 28 32.38 V C57
2021-08-26 21:23:58 s 1 -11537.788 0 +378274.35 8930.0 C57
2021-08-26 21:33:58 S 23 05 26.650 -01 28 44.69 V C57
2021-08-26 21:33:58 s 1 -11915.981 0 +378293.41 7500.0 C57
2021-08-26 21:43:58 S 23 05 27.706 -01 28 55.81 V C57
2021-08-26 21:43:58 s 1 -12294.150 0 +378311.45 5910.0 C57
2021-08-26 21:53:58 S 23 05 28.651 -01 29 07.73 V C57
2021-08-26 21:53:58 s 1 -12672.293 0 +378328.49 4170.0 C57
2021-08-26 22:03:58 S 23 05 29.789 -01 29 19.25 V C57
2021-08-26 22:03:58 s 1 -13050.411 0 +378344.50 2270.0 C57
2021-08-26 22:13:58 S 23 05 30.701 -01 29 31.13 V C57
2021-08-26 22:13:58 s 1 -13428.502 0 +378359.51 210.0 C57
2021-08-26 22:23:58 S 23 05 31.807 -01 29 43.08 V C57
2021-08-26 22:23:58 s 1 -13806.565 0 +378373.51 7990.0 C57
2021-08-26 22:33:58 S 23 05 32.774 -01 29 56.69 V C57
2021-08-26 22:33:58 s 1 -14184.599 0 +378386.49 5590.0 C57
2021-08-26 22:43:58 S 23 05 33.943 -01 30 07.88 V C57
2021-08-26 22:43:58 s 1 -14562.603 0 +378398.46 3030.0 C57
2021-08-26 22:53:58 S 23 05 34.795 -01 30 18.29 V C57
2021-08-26 22:53:58 s 1 -14940.576 0 +378409.42 290.0 C57
2021-08-26 23:03:58 S 23 05 35.827 -01 30 30.92 V C57
2021-08-26 23:03:58 s 1 -15318.517 0 +378419.37 7380.0 C57
2021-08-26 23:13:58 S 23 05 36.852 -01 30 42.66 V C57
2021-08-26 23:13:58 s 1 -15696.425 0 +378428.31 4280.0 C57
2021-08-26 23:23:58 S 23 05 37.915 -01 30 54.65 V C57
2021-08-26 23:23:58 s 1 -16074.298 0 +378436.23 1000.0 C57
2021-08-26 23:33:58 S 23 05 38.918 -01 31 08.36 V C57
2021-08-26 23:33:58 s 1 -16452.137 0 +378443.15 7530.0 C57
2021-08-26 23:43:58 S 23 05 39.874 -01 31 19.16 V C57
2021-08-26 23:43:58 s 1 -16829.940 0 +378449.06 3870.0 C57
2021-08-26 23:53:58 S 23 05 41.002 -01 31 30.18 V C57
2021-08-26 23:53:58 s 1 -17207.706 0 +378453.95 20.0 C57
2021-08-27 00:03:58 S 23 05 41.897 -01 31 41.84 V C57
2021-08-27 00:03:58 s 1 -17585.434 0 +378457.84 5970.0 C57
2021-08-27 00:13:58 S 23 05 43.032 -01 31 55.78 V C57
2021-08-27 00:13:58 s 1 -17963.123 0 +378460.71 1730.0 C57
2021-08-27 00:23:58 S 23 05 43.990 -01 32 08.12 V C57
2021-08-27 00:23:58 s 1 -18340.772 0 +378462.58 7270.0 C57
2021-08-27 00:33:58 S 23 05 45.041 -01 32 19.54 V C57
2021-08-27 00:33:58 s 1 -18718.380 0 +378463.43 2620.0 C57
2021-08-27 00:43:58 S 23 05 45.965 -01 32 29.87 V C57
2021-08-27 00:43:58 s 1 -19095.946 0 +378463.28 7750.0 C57
2021-08-27 00:53:58 S 23 05 47.038 -01 32 41.39 V C57
2021-08-27 00:53:58 s 1 -19473.469 0 +378462.12 2670.0 C57
2021-08-27 01:03:58 S 23 05 48.103 -01 32 54.49 V C57
2021-08-27 01:03:58 s 1 -19850.948 0 +378459.95 7370.0 C57
2021-08-27 01:13:58 S 23 05 49.109 -01 33 07.81 V C57
2021-08-27 01:13:58 s 1 -20228.382 0 +378456.77 1850.0 C57
2021-08-27 01:23:58 S 23 05 50.182 -01 33 18.36 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)