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 12:25:35 C 23 15 55.57 -03 02 47.9 V T08
2021-08-30 12:33:58 S 23 14 31.318 -03 07 33.64 V C57
2021-08-30 12:33:58 s 1 -179433.04 6 +248758.97 3140.0 C57
2021-08-30 12:35:44 C 23 15 56.31 -03 02 58.4 V T08
2021-08-30 12:36:24 C 23 15 56.37 -03 02 59.1 V T08
2021-08-30 12:43:58 S 23 14 32.290 -03 07 43.46 V C57
2021-08-30 12:43:58 s 1 -179629.73 6 +248229.43 9920.0 C57
2021-08-30 12:53:58 S 23 14 33.466 -03 07 54.08 V C57
2021-08-30 12:53:58 s 1 -179825.52 5 +247698.66 3790.0 C57
2021-08-30 13:03:58 S 23 14 34.426 -03 08 05.42 V C57
2021-08-30 13:03:58 s 1 -180018.08 5 +247164.02 9910.0 C57
2021-08-30 13:13:58 S 23 14 35.575 -03 08 16.15 V C57
2021-08-30 13:13:58 s 1 -180212.35 7 +246631.11 8530.0 C57
2021-08-30 13:23:58 S 23 14 36.571 -03 08 26.52 V C57
2021-08-30 13:23:58 s 1 -180405.62 3 +246096.86 4010.0 C57
2021-08-30 13:33:58 S 23 14 37.747 -03 08 37.21 V C57
2021-08-30 13:33:58 s 1 -180598.02 5 +245561.42 6640.0 C57
2021-08-30 13:43:58 S 23 14 38.722 -03 08 48.05 V C57
2021-08-30 13:43:58 s 1 -180789.56 1 +245024.81 6410.0 C57
2021-08-30 13:53:58 S 23 14 39.814 -03 08 58.13 V C57
2021-08-30 13:53:58 s 1 -180980.22 6 +244487.02 3310.0 C57
2021-08-30 14:03:58 S 23 14 40.817 -03 09 08.96 V C57
2021-08-30 14:03:58 s 1 -181170.01 9 +243948.04 7330.0 C57
2021-08-30 14:13:58 S 23 14 42.022 -03 09 19.04 V C57
2021-08-30 14:13:58 s 1 -181358.93 4 +243407.89 8450.0 C57
2021-08-30 14:23:58 S 23 14 43.006 -03 09 30.96 V C57
2021-08-30 14:23:58 s 1 -181546.96 8 +242866.55 6670.0 C57
2021-08-30 14:33:58 S 23 14 44.141 -03 09 40.97 V C57
2021-08-30 14:33:58 s 1 -181734.11 9 +242324.02 1980.0 C57
2021-08-30 14:43:58 S 23 14 45.132 -03 09 51.41 V C57
2021-08-30 14:43:58 s 1 -181920.38 2 +241780.31 4360.0 C57
2021-08-30 14:53:58 S 23 14 46.291 -03 10 02.10 V C57
2021-08-30 14:53:58 s 1 -182105.75 4 +241235.42 3790.0 C57
2021-08-30 15:03:58 S 23 14 47.314 -03 10 13.04 V C57
2021-08-30 15:03:58 s 1 -182290.23 1 +240689.33 280.0 C57
2021-08-30 15:13:58 S 23 14 48.350 -03 10 22.73 V C57
2021-08-30 15:13:58 s 1 -182473.81 0 +240142.06 3810.0 C57
2021-08-30 15:23:58 S 23 14 49.402 -03 10 34.18 V C57
2021-08-30 15:23:58 s 1 -182656.48 7 +239593.61 4360.0 C57
2021-08-30 15:33:58 S 23 14 50.489 -03 10 44.65 V C57
2021-08-30 15:33:58 s 1 -182838.25 9 +239043.96 1930.0 C57
2021-08-30 15:43:58 S 23 14 51.540 -03 10 54.70 V C57
2021-08-30 15:43:58 s 1 -183019.12 1 +238493.13 6500.0 C57
2021-08-30 15:53:58 S 23 14 52.644 -03 11 05.35 V C57
2021-08-30 15:53:58 s 1 -183199.07 1 +237941.10 8060.0 C57
2021-08-30 16:03:58 S 23 14 53.666 -03 11 16.48 V C57
2021-08-30 16:03:58 s 1 -183378.10 4 +237387.88 6600.0 C57
2021-08-30 16:13:58 S 23 14 54.694 -03 11 26.34 V C57
2021-08-30 16:13:58 s 1 -183556.21 7 +236833.47 2100.0 C57
2021-08-30 16:23:58 S 23 14 55.831 -03 11 37.07 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)