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 01:33:58 s 1 +131211.48 8 +281288.56 4590.0 C57
2021-08-24 01:43:58 S 22 58 46.195 -00 05 25.19 V C57
2021-08-24 01:43:58 s 1 +130929.23 7 +281765.57 7190.0 C57
2021-08-24 01:53:58 S 22 58 47.158 -00 05 37.64 V C57
2021-08-24 01:53:58 s 1 +130646.36 9 +282241.26 7870.0 C57
2021-08-24 02:03:58 S 22 58 48.094 -00 05 50.06 V C57
2021-08-24 02:03:58 s 1 +130362.88 6 +282715.63 6620.0 C57
2021-08-24 02:13:58 S 22 58 48.974 -00 06 02.52 V C57
2021-08-24 02:13:58 s 1 +130078.79 1 +283188.68 3460.0 C57
2021-08-24 02:23:58 S 22 58 49.985 -00 06 14.98 V C57
2021-08-24 02:23:58 s 1 +129794.08 8 +283660.40 8400.0 C57
2021-08-24 02:33:58 S 22 58 50.870 -00 06 27.36 V C57
2021-08-24 02:33:58 s 1 +129508.77 9 +284130.81 1450.0 C57
2021-08-24 02:43:58 S 22 58 51.814 -00 06 40.25 V C57
2021-08-24 02:43:58 s 1 +129222.86 8 +284599.90 2610.0 C57
2021-08-24 02:53:58 S 22 58 52.771 -00 06 53.03 V C57
2021-08-24 02:53:58 s 1 +128936.35 7 +285067.68 1910.0 C57
2021-08-24 03:03:58 S 22 58 53.666 -00 07 05.20 V C57
2021-08-24 03:03:58 s 1 +128649.25 0 +285534.14 9340.0 C57
2021-08-24 03:13:58 S 22 58 54.660 -00 07 17.90 V C57
2021-08-24 03:13:58 s 1 +128361.54 8 +285999.29 4910.0 C57
2021-08-24 03:23:58 S 22 58 55.541 -00 07 29.57 V C57
2021-08-24 03:23:58 s 1 +128073.25 6 +286463.13 8640.0 C57
2021-08-24 03:33:58 S 22 58 56.479 -00 07 43.00 V C57
2021-08-24 03:33:58 s 1 +127784.37 6 +286925.66 540.0 C57
2021-08-24 04:03:58 S 22 58 59.309 -00 08 19.90 V C57
2021-08-24 04:03:58 s 1 +126914.23 6 +288305.40 5320.0 C57
2021-08-24 04:13:58 S 22 59 00.252 -00 08 32.17 V C57
2021-08-24 04:13:58 s 1 +126623.03 3 +288762.71 9970.0 C57
2021-08-24 04:23:58 S 22 59 01.159 -00 08 45.31 V C57
2021-08-24 04:23:58 s 1 +126331.25 6 +289218.72 2840.0 C57
2021-08-24 04:33:58 S 22 59 02.165 -00 08 57.62 V C57
2021-08-24 04:33:58 s 1 +126038.90 8 +289673.42 3920.0 C57
2021-08-24 04:43:58 S 22 59 03.062 -00 09 10.33 V C57
2021-08-24 04:43:58 s 1 +125745.99 2 +290126.83 3240.0 C57
2021-08-24 04:53:58 S 22 59 04.027 -00 09 22.72 V C57
2021-08-24 04:53:58 s 1 +125452.51 1 +290578.93 790.0 C57
2021-08-24 05:03:58 S 22 59 04.985 -00 09 34.70 V C57
2021-08-24 05:03:58 s 1 +125158.46 8 +291029.75 6590.0 C57
2021-08-24 05:13:58 S 22 59 05.849 -00 09 47.41 V C57
2021-08-24 05:13:58 s 1 +124863.86 5 +291479.26 650.0 C57
2021-08-24 05:23:58 S 22 59 06.859 -00 10 00.05 V C57
2021-08-24 05:23:58 s 1 +124568.70 4 +291927.49 2980.0 C57
2021-08-24 05:33:58 S 22 59 07.762 -00 10 12.40 V C57
2021-08-24 05:33:58 s 1 +124272.99 0 +292374.42 3580.0 C57
2021-08-24 05:43:58 S 22 59 08.702 -00 10 24.89 V C57
2021-08-24 05:43:58 s 1 +123976.72 4 +292820.06 2460.0 C57
2021-08-24 05:53:58 S 22 59 09.667 -00 10 37.20 V C57
2021-08-24 05:53:58 s 1 +123679.91 0 +293264.41 9640.0 C57
2021-08-24 06:03:58 S 22 59 10.558 -00 10 49.51 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)