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
2021-08-30 16:23:58 s 1 -183733.40 5 +236277.87 4560.0 C57
2021-08-30 16:33:58 S 23 14 56.846 -03 11 48.08 V C57
2021-08-30 16:33:58 s 1 -183909.66 7 +235721.07 3970.0 C57
2021-08-30 16:43:58 S 23 14 58.037 -03 11 58.20 V C57
2021-08-30 16:43:58 s 1 -184084.99 6 +235163.08 300.0 C57
2021-08-30 16:53:58 S 23 14 59.033 -03 12 08.82 V C57
2021-08-30 16:53:58 s 1 -184259.39 1 +234603.89 3560.0 C57
2021-08-30 17:03:58 S 23 15 00.130 -03 12 19.62 V C57
2021-08-30 17:03:58 s 1 -184432.84 6 +234043.51 3720.0 C57
2021-08-30 17:13:58 S 23 15 01.126 -03 12 30.31 V C57
2021-08-30 17:13:58 s 1 -184605.35 9 +233481.93 770.0 C57
2021-08-30 17:23:58 S 23 15 02.323 -03 12 40.75 V C57
2021-08-30 17:23:58 s 1 -184776.92 5 +232919.15 4700.0 C57
2021-08-30 17:33:58 S 23 15 03.276 -03 12 51.73 V C57
2021-08-30 17:33:58 s 1 -184947.54 0 +232355.17 5510.0 C57
2021-08-30 17:43:58 S 23 15 04.433 -03 13 02.35 V C57
2021-08-30 17:43:58 s 1 -185117.20 1 +231789.99 3170.0 C57
2021-08-30 17:53:58 S 23 15 05.460 -03 13 12.79 V C57
2021-08-30 17:53:58 s 1 -185285.90 4 +231223.61 7670.0 C57
2021-08-30 18:03:58 S 23 15 06.571 -03 13 23.52 V C57
2021-08-30 18:03:58 s 1 -185453.64 5 +230656.03 9000.0 C57
2021-08-30 18:13:58 S 23 15 07.493 -03 13 34.28 V C57
2021-08-30 18:13:58 s 1 -185620.41 9 +230087.25 7160.0 C57
2021-08-30 18:23:58 S 23 15 08.748 -03 13 43.75 V C57
2021-08-30 18:23:58 s 1 -185786.22 3 +229517.27 2110.0 C57
2021-08-30 18:33:58 S 23 15 09.730 -03 13 54.26 V C57
2021-08-30 18:33:58 s 1 -185951.05 3 +228946.08 3860.0 C57
2021-08-30 18:43:58 S 23 15 10.850 -03 14 04.92 V C57
2021-08-30 18:43:58 s 1 -186114.90 5 +228373.69 2390.0 C57
2021-08-30 18:53:58 S 23 15 11.885 -03 14 15.54 V C57
2021-08-30 18:53:58 s 1 -186277.77 5 +227800.09 7690.0 C57
2021-08-30 19:03:58 S 23 15 12.967 -03 14 25.94 V C57
2021-08-30 19:03:58 s 1 -186439.65 9 +227225.28 9740.0 C57
2021-08-30 19:13:58 S 23 15 14.016 -03 14 36.78 V C57
2021-08-30 19:13:58 s 1 -186600.55 3 +226649.27 8530.0 C57
2021-08-30 19:23:58 S 23 15 15.091 -03 14 48.19 V C57
2021-08-30 19:23:58 s 1 -186760.45 2 +226072.05 4040.0 C57
2021-08-30 19:33:58 S 23 15 16.258 -03 14 58.02 V C57
2021-08-30 19:33:58 s 1 -186919.35 3 +225493.62 6270.0 C57
2021-08-30 19:43:58 S 23 15 17.239 -03 15 07.42 V C57
2021-08-30 19:43:58 s 1 -187077.25 1 +224913.99 5210.0 C57
2021-08-30 19:53:58 S 23 15 18.360 -03 15 18.40 V C57
2021-08-30 19:53:58 s 1 -187234.14 3 +224333.14 820.0 C57
2021-08-30 20:03:58 S 23 15 19.402 -03 15 29.09 V C57
2021-08-30 20:03:58 s 1 -187390.02 4 +223751.08 3110.0 C57
2021-08-30 20:13:58 S 23 15 20.484 -03 15 40.28 V C57
2021-08-30 20:13:58 s 1 -187544.89 0 +223167.81 2070.0 C57
2021-08-30 20:23:58 S 23 15 21.480 -03 15 50.76 V C57
2021-08-30 20:23:58 s 1 -187698.73 6 +222583.32 7660.0 C57
2021-08-30 20:33:58 S 23 15 22.644 -03 15 59.58 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)