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 08:43:58 s 1 -174682.21 7 +260615.60 7470.0 C57
2021-08-30 08:53:58 S 23 14 07.800 -03 03 37.91 V C57
2021-08-30 08:53:58 s 1 -174897.55 2 +260112.89 5860.0 C57
2021-08-30 09:03:58 S 23 14 08.945 -03 03 48.53 V C57
2021-08-30 09:03:58 s 1 -175112.11 2 +259609.02 1690.0 C57
2021-08-30 09:13:58 S 23 14 09.888 -03 03 59.90 V C57
2021-08-30 09:13:58 s 1 -175325.89 2 +259103.99 4930.0 C57
2021-08-30 09:23:58 S 23 14 11.076 -03 04 09.77 V C57
2021-08-30 09:23:58 s 1 -175538.89 0 +258597.80 5590.0 C57
2021-08-30 09:33:58 S 23 14 12.050 -03 04 21.68 V C57
2021-08-30 09:33:58 s 1 -175751.10 2 +258090.46 3660.0 C57
2021-08-30 09:43:58 S 23 14 13.159 -03 04 30.97 V C57
2021-08-30 09:43:58 s 1 -175962.52 6 +257581.95 9110.0 C57
2021-08-30 09:53:58 S 23 14 14.225 -03 04 43.03 V C57
2021-08-30 09:53:58 s 1 -176173.15 8 +257072.28 1950.0 C57
2021-08-30 10:03:58 S 23 14 15.281 -03 04 53.51 V C57
2021-08-30 10:03:58 s 1 -176382.99 5 +256561.45 2160.0 C57
2021-08-30 10:13:58 S 23 14 16.298 -03 05 04.24 V C57
2021-08-30 10:13:58 s 1 -176592.03 5 +256049.46 9730.0 C57
2021-08-30 10:23:58 S 23 14 17.448 -03 05 14.10 V C57
2021-08-30 10:23:58 s 1 -176800.27 3 +255536.30 4660.0 C57
2021-08-30 10:33:58 S 23 14 18.485 -03 05 25.55 V C57
2021-08-30 10:33:58 s 1 -177007.70 8 +255021.97 6930.0 C57
2021-08-30 10:43:58 S 23 14 19.562 -03 05 36.28 V C57
2021-08-30 10:43:58 s 1 -177214.33 6 +254506.49 6530.0 C57
2021-08-30 10:53:58 S 23 14 20.592 -03 05 47.18 V C57
2021-08-30 10:53:58 s 1 -177420.15 3 +253989.83 3460.0 C57
2021-08-30 11:03:58 S 23 14 21.670 -03 05 57.41 V C57
2021-08-30 11:03:58 s 1 -177625.15 6 +253472.01 7690.0 C57
2021-08-30 11:13:58 S 23 14 22.762 -03 06 07.81 V C57
2021-08-30 11:13:58 s 1 -177829.34 3 +252953.02 9230.0 C57
2021-08-30 11:23:58 S 23 14 23.820 -03 06 19.01 V C57
2021-08-30 11:23:58 s 1 -178032.71 0 +252432.86 8060.0 C57
2021-08-30 11:33:58 S 23 14 24.895 -03 06 29.16 V C57
2021-08-30 11:33:58 s 1 -178235.25 4 +251911.54 4170.0 C57
2021-08-30 11:37:01 C 23 15 52.01 -03 01 57.5 V T08
2021-08-30 11:37:41 C 23 15 52.07 -03 01 58.2 V T08
2021-08-30 11:41:40 C 23 15 52.35 -03 02 02.4 V T08
2021-08-30 11:42:20 C 23 15 52.41 -03 02 02.9 V T08
2021-08-30 11:43:58 S 23 14 25.927 -03 06 39.89 V C57
2021-08-30 11:43:58 s 1 -178436.97 1 +251389.04 7550.0 C57
2021-08-30 11:53:58 S 23 14 27.053 -03 06 50.36 V C57
2021-08-30 11:53:58 s 1 -178637.85 8 +250865.37 8190.0 C57
2021-08-30 12:03:58 S 23 14 28.078 -03 07 01.38 V C57
2021-08-30 12:03:58 s 1 -178837.91 3 +250340.53 6080.0 C57
2021-08-30 12:13:58 S 23 14 29.146 -03 07 11.46 V C57
2021-08-30 12:13:58 s 1 -179037.13 1 +249814.51 1210.0 C57
2021-08-30 12:23:58 S 23 14 30.178 -03 07 22.33 V C57
2021-08-30 12:23:58 s 1 -179235.51 0 +249287.33 3570.0 C57
2021-08-30 12:24:56 C 23 15 55.51 -03 02 47.3 V T08
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)