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
2021-08-24 15:03:58 s 1 +106584.18 5 +315757.71 5700.0 C57
2021-08-24 17:13:58 S 23 00 14.410 -00 24 44.75 V C57
2021-08-24 17:13:58 s 1 +102345.94 8 +320528.62 6230.0 C57
2021-08-24 17:23:58 S 23 00 15.322 -00 24 57.56 V C57
2021-08-24 17:23:58 s 1 +102017.15 2 +320887.17 4700.0 C57
2021-08-24 17:33:58 S 23 00 16.356 -00 25 09.95 V C57
2021-08-24 17:33:58 s 1 +101687.97 0 +321244.51 1990.0 C57
2021-08-24 17:43:58 S 23 00 17.273 -00 25 22.22 V C57
2021-08-24 17:43:58 s 1 +101358.40 4 +321600.65 8100.0 C57
2021-08-24 17:53:58 S 23 00 18.252 -00 25 35.33 V C57
2021-08-24 17:53:58 s 1 +101028.45 5 +321955.59 3040.0 C57
2021-08-24 18:03:58 S 23 00 19.238 -00 25 46.99 V C57
2021-08-24 18:03:58 s 1 +100698.12 5 +322309.33 6830.0 C57
2021-08-24 18:13:58 S 23 00 20.150 -00 25 59.63 V C57
2021-08-24 18:13:58 s 1 +100367.41 6 +322661.88 9460.0 C57
2021-08-24 18:23:58 S 23 00 21.168 -00 26 12.12 V C57
2021-08-24 18:23:58 s 1 +100036.33 1 +323013.23 930.0 C57
2021-08-24 18:33:58 S 23 00 22.094 -00 26 24.25 V C57
2021-08-24 18:33:58 s 1 +99704.870 0 +323363.38 1270.0 C57
2021-08-24 18:43:58 S 23 00 23.098 -00 26 37.07 V C57
2021-08-24 18:43:58 s 1 +99373.037 0 +323712.34 470.0 C57
2021-08-24 18:53:58 S 23 00 24.053 -00 26 49.42 V C57
2021-08-24 18:53:58 s 1 +99040.833 0 +324060.11 8540.0 C57
2021-08-24 19:03:58 S 23 00 24.977 -00 27 01.48 V C57
2021-08-24 19:03:58 s 1 +98708.259 0 +324406.68 5480.0 C57
2021-08-24 19:13:58 S 23 00 25.978 -00 27 13.75 V C57
2021-08-24 19:13:58 s 1 +98375.319 0 +324752.07 1310.0 C57
2021-08-24 19:23:58 S 23 00 26.921 -00 27 26.64 V C57
2021-08-24 19:23:58 s 1 +98042.013 0 +325096.26 6030.0 C57
2021-08-24 19:33:58 S 23 00 27.914 -00 27 38.92 V C57
2021-08-24 19:33:58 s 1 +97708.344 0 +325439.27 9640.0 C57
2021-08-24 19:43:58 S 23 00 28.889 -00 27 51.55 V C57
2021-08-24 19:43:58 s 1 +97374.314 0 +325781.08 2150.0 C57
2021-08-24 19:45:59 C 23 03 02.78 -00 31 44.0 V C40
2021-08-24 19:52:47 C 23 03 03.46 -00 31 52.0 V C40
2021-08-24 19:53:58 S 23 00 29.798 -00 28 03.94 V C57
2021-08-24 19:53:58 s 1 +97039.924 0 +326121.72 3570.0 C57
2021-08-24 19:55:31 C 23 03 03.73 -00 31 55.3 V C40
2021-08-24 19:56:53 C 23 03 03.86 -00 31 57.0 V C40
2021-08-24 19:58:15 C 23 03 03.99 -00 31 58.5 V C40
2021-08-24 20:03:42 C 23 03 04.54 -00 32 04.9 V C40
2021-08-24 20:03:58 S 23 00 30.826 -00 28 16.18 V C57
2021-08-24 20:03:58 s 1 +96705.176 0 +326461.16 3900.0 C57
2021-08-24 20:05:04 C 23 03 04.66 -00 32 06.5 V C40
2021-08-24 20:07:48 C 23 03 04.93 -00 32 09.6 V C40
2021-08-24 20:13:16 C 23 03 05.47 -00 32 16.0 V C40
2021-08-24 20:13:58 S 23 00 31.709 -00 28 28.78 V C57
2021-08-24 20:13:58 s 1 +96370.073 0 +326799.42 3160.0 C57
2021-08-24 20:14:38 C 23 03 05.61 -00 32 17.4 V C40
2021-08-24 20:15:59 C 23 03 05.74 -00 32 19.2 V C40
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)