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
2021-08-31 00:43:58 s 1 -191326.61 8 +206958.34 9350.0 C57
2021-08-31 00:53:58 S 23 15 50.400 -03 20 31.67 V C57
2021-08-31 00:53:58 s 1 -191451.26 4 +206340.80 8950.0 C57
2021-08-31 01:03:58 S 23 15 51.581 -03 20 42.94 V C57
2021-08-31 01:03:58 s 1 -191574.76 3 +205722.03 4770.0 C57
2021-08-31 01:13:58 S 23 15 52.555 -03 20 53.95 V C57
2021-08-31 01:13:58 s 1 -191697.11 0 +205102.02 6800.0 C57
2021-08-31 01:23:58 S 23 15 53.628 -03 21 02.77 V C57
2021-08-31 01:23:58 s 1 -191818.30 0 +204480.77 5040.0 C57
2021-08-31 01:33:58 S 23 15 54.694 -03 21 13.57 V C57
2021-08-31 01:33:58 s 1 -191938.32 7 +203858.29 9460.0 C57
2021-08-31 01:43:58 S 23 15 55.838 -03 21 23.83 V C57
2021-08-31 01:43:58 s 1 -192057.18 8 +203234.56 40.0 C57
2021-08-31 01:53:58 S 23 15 56.866 -03 21 33.88 V C57
2021-08-31 01:53:58 s 1 -192174.87 6 +202609.60 6780.0 C57
2021-08-31 02:03:58 S 23 15 57.931 -03 21 44.75 V C57
2021-08-31 02:03:58 s 1 -192291.38 7 +201983.40 9650.0 C57
2021-08-31 02:23:58 S 23 16 00.026 -03 22 05.84 V C57
2021-08-31 02:23:58 s 1 -192520.85 7 +200727.27 3720.0 C57
2021-08-31 02:33:58 S 23 16 01.138 -03 22 14.66 V C57
2021-08-31 02:33:58 s 1 -192633.80 6 +200097.34 4880.0 C57
2021-08-31 02:43:58 S 23 16 02.177 -03 22 25.36 V C57
2021-08-31 02:43:58 s 1 -192745.55 7 +199466.17 2120.0 C57
2021-08-31 02:53:58 S 23 16 03.278 -03 22 36.37 V C57
2021-08-31 02:53:58 s 1 -192856.10 4 +198833.75 5400.0 C57
2021-08-31 03:03:58 S 23 16 04.234 -03 22 46.16 V C57
2021-08-31 03:03:58 s 1 -192965.44 3 +198200.10 4720.0 C57
2021-08-31 03:13:58 S 23 16 05.431 -03 22 56.96 V C57
2021-08-31 03:13:58 s 1 -193073.56 8 +197565.19 50.0 C57
2021-08-31 03:23:58 S 23 16 06.492 -03 23 06.86 V C57
2021-08-31 03:23:58 s 1 -193180.47 5 +196929.04 1380.0 C57
2021-08-31 03:33:58 S 23 16 07.582 -03 23 16.44 V C57
2021-08-31 03:33:58 s 1 -193286.15 6 +196291.64 8690.0 C57
2021-08-31 03:38:29 C 23 17 12.643 -03 18 01.67 V 309
2021-08-31 03:40:14 C 23 17 12.757 -03 18 03.27 V 309
2021-08-31 03:41:58 C 23 17 12.891 -03 18 05.19 V 309
2021-08-31 03:43:43 C 23 17 13.018 -03 18 07.07 V 309
2021-08-31 03:43:58 S 23 16 08.662 -03 23 27.56 V C57
2021-08-31 03:43:58 s 1 -193390.60 8 +195653.00 1960.0 C57
2021-08-31 03:45:27 C 23 17 13.139 -03 18 08.81 V 309
2021-08-31 03:47:12 C 23 17 13.266 -03 18 10.61 V 309
2021-08-31 03:48:59 C 23 17 13.396 -03 18 12.46 V 309
2021-08-31 03:50:43 C 23 17 13.519 -03 18 14.23 V 309
2021-08-31 03:52:28 C 23 17 13.643 -03 18 16.00 V 309
2021-08-31 03:53:58 S 23 16 09.715 -03 23 37.82 V C57
2021-08-31 03:53:58 s 1 -193493.82 5 +195013.11 1180.0 C57
2021-08-31 03:54:12 C 23 17 13.766 -03 18 17.77 V 309
2021-08-31 04:03:58 S 23 16 10.814 -03 23 48.95 V C57
2021-08-31 04:03:58 s 1 -193595.80 1 +194371.97 6320.0 C57
2021-08-31 04:13:58 S 23 16 11.894 -03 23 57.95 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)