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
2021-08-21 21:33:58 s 1 +161846.21 9 +58944.594 3890.0 C57
2021-08-21 21:43:58 S 22 54 21.658 +00 58 38.10 V C57
2021-08-21 21:43:58 s 1 +162085.71 7 +59910.833 7930.0 C57
2021-08-21 21:47:33 C 22 55 10.60 +00 51 39.0 V C40
2021-08-21 21:48:55 C 22 55 10.75 +00 51 37.3 V C40
2021-08-21 21:50:17 C 22 55 10.90 +00 51 35.6 V C40
2021-08-21 21:53:58 S 22 54 22.423 +00 58 26.22 V C57
2021-08-21 21:53:58 s 1 +162321.26 7 +60875.599 9210.0 C57
2021-08-21 21:57:06 C 22 55 11.64 +00 51 27.5 V C40
2021-08-21 22:03:58 S 22 54 23.143 +00 58 14.38 V C57
2021-08-21 22:03:58 s 1 +162552.89 9 +61838.882 7810.0 C57
2021-08-21 22:13:58 S 22 54 23.854 +00 58 03.04 V C57
2021-08-21 22:13:58 s 1 +162780.64 3 +62800.673 3840.0 C57
2021-08-21 22:23:58 S 22 54 24.574 +00 57 50.87 V C57
2021-08-21 22:23:58 s 1 +163004.52 8 +63760.961 7390.0 C57
2021-08-21 22:33:58 S 22 54 25.354 +00 57 38.88 V C57
2021-08-21 22:33:58 s 1 +163224.58 5 +64719.739 8560.0 C57
2021-08-21 22:43:58 S 22 54 26.090 +00 57 27.43 V C57
2021-08-21 22:43:58 s 1 +163440.84 3 +65676.997 7450.0 C57
2021-08-21 22:53:58 S 22 54 26.777 +00 57 15.59 V C57
2021-08-21 22:53:58 s 1 +163653.33 0 +66632.726 4150.0 C57
2021-08-21 23:03:58 S 22 54 27.518 +00 57 03.96 V C57
2021-08-21 23:03:58 s 1 +163862.07 6 +67586.918 8750.0 C57
2021-08-21 23:13:58 S 22 54 28.286 +00 56 52.01 V C57
2021-08-21 23:13:58 s 1 +164067.10 8 +68539.566 1350.0 C57
2021-08-21 23:16:55 C 22 55 20.64 +00 49 49.6 V 089
2021-08-21 23:20:14 C 22 55 21.01 +00 49 45.7 V 089
2021-08-21 23:23:32 C 22 55 21.37 +00 49 41.6 V 089
2021-08-21 23:23:58 S 22 54 29.033 +00 56 40.60 V C57
2021-08-21 23:23:58 s 1 +164268.45 6 +69490.661 2030.0 C57
2021-08-21 23:26:50 C 22 55 21.74 +00 49 37.5 V 089
2021-08-21 23:30:08 C 22 55 22.09 +00 49 33.3 V 089
2021-08-21 23:33:26 C 22 55 22.43 +00 49 29.2 V 089
2021-08-21 23:33:58 S 22 54 29.734 +00 56 28.21 V C57
2021-08-21 23:33:58 s 1 +164466.14 7 +70440.196 900.0 C57
2021-08-21 23:36:44 C 22 55 22.81 +00 49 25.4 V 089
2021-08-21 23:40:02 C 22 55 23.16 +00 49 21.5 V 089
2021-08-21 23:43:20 C 22 55 23.53 +00 49 17.8 V 089
2021-08-21 23:43:58 S 22 54 30.490 +00 56 16.40 V C57
2021-08-21 23:43:58 s 1 +164660.20 8 +71388.163 8040.0 C57
2021-08-21 23:46:38 C 22 55 23.90 +00 49 13.6 V 089
2021-08-21 23:53:58 S 22 54 31.260 +00 56 04.67 V C57
2021-08-21 23:53:58 s 1 +164850.66 7 +72334.556 3540.0 C57
2021-08-22 00:03:58 S 22 54 31.987 +00 55 53.00 V C57
2021-08-22 00:03:58 s 1 +165037.55 2 +73279.367 7490.0 C57
2021-08-22 00:13:58 S 22 54 32.700 +00 55 41.27 V C57
2021-08-22 00:13:58 s 1 +165220.88 9 +74222.589 9980.0 C57
2021-08-22 00:23:58 S 22 54 33.458 +00 55 29.17 V C57
2021-08-22 00:23:58 s 1 +165400.70 5 +75164.217 1090.0 C57
2021-08-22 00:33:58 S 22 54 34.246 +00 55 17.47 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)