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
2021-08-22 08:53:58 s 1 +170455.47 4 +120973.39 9100.0 C57
2021-08-22 09:03:58 S 22 55 13.430 +00 45 04.07 V C57
2021-08-22 09:03:58 s 1 +170483.47 1 +121827.06 730.0 C57
2021-08-22 09:13:58 S 22 55 14.239 +00 44 51.65 V C57
2021-08-22 09:13:58 s 1 +170509.05 9 +122679.01 4610.0 C57
2021-08-22 09:23:58 S 22 55 15.058 +00 44 39.73 V C57
2021-08-22 09:23:58 s 1 +170532.25 3 +123529.22 800.0 C57
2021-08-22 09:33:58 S 22 55 15.821 +00 44 28.14 V C57
2021-08-22 09:33:58 s 1 +170553.07 0 +124377.70 9340.0 C57
2021-08-22 09:43:58 S 22 55 16.596 +00 44 15.83 V C57
2021-08-22 09:43:58 s 1 +170571.52 5 +125224.45 280.0 C57
2021-08-22 09:53:58 S 22 55 17.450 +00 44 03.12 V C57
2021-08-22 09:53:58 s 1 +170587.63 5 +126069.47 3680.0 C57
2021-08-22 10:03:58 S 22 55 18.242 +00 43 51.20 V C57
2021-08-22 10:03:58 s 1 +170601.41 5 +126912.75 9590.0 C57
2021-08-22 10:13:58 S 22 55 18.986 +00 43 39.43 V C57
2021-08-22 10:13:58 s 1 +170612.88 0 +127754.30 8060.0 C57
2021-08-22 10:23:58 S 22 55 19.802 +00 43 26.90 V C57
2021-08-22 10:23:58 s 1 +170622.04 7 +128594.12 9130.0 C57
2021-08-22 10:33:58 S 22 55 20.630 +00 43 14.88 V C57
2021-08-22 10:33:58 s 1 +170628.93 0 +129432.21 2870.0 C57
2021-08-22 10:43:58 S 22 55 21.384 +00 43 02.35 V C57
2021-08-22 10:43:58 s 1 +170633.54 4 +130268.57 9310.0 C57
2021-08-22 10:53:58 S 22 55 22.202 +00 42 50.22 V C57
2021-08-22 10:53:58 s 1 +170635.90 5 +131103.20 8510.0 C57
2021-08-22 11:03:58 S 22 55 23.035 +00 42 38.05 V C57
2021-08-22 11:03:58 s 1 +170636.02 7 +131936.10 520.0 C57
2021-08-22 11:13:58 S 22 55 23.798 +00 42 26.14 V C57
2021-08-22 11:13:58 s 1 +170633.92 5 +132767.26 5370.0 C57
2021-08-22 11:23:58 S 22 55 24.605 +00 42 13.43 V C57
2021-08-22 11:23:58 s 1 +170629.61 4 +133596.70 3130.0 C57
2021-08-22 11:33:58 S 22 55 25.459 +00 42 01.12 V C57
2021-08-22 11:33:58 s 1 +170623.10 9 +134424.42 3840.0 C57
2021-08-22 11:43:58 S 22 55 26.218 +00 41 49.52 V C57
2021-08-22 11:43:58 s 1 +170614.42 2 +135250.40 7540.0 C57
2021-08-22 11:53:58 S 22 55 26.998 +00 41 36.89 V C57
2021-08-22 11:53:58 s 1 +170603.57 0 +136074.66 4280.0 C57
2021-08-22 12:03:58 S 22 55 27.869 +00 41 24.54 V C57
2021-08-22 12:03:58 s 1 +170590.56 6 +136897.19 4110.0 C57
2021-08-22 12:13:58 S 22 55 28.678 +00 41 12.41 V C57
2021-08-22 12:13:58 s 1 +170575.42 4 +137717.99 7070.0 C57
2021-08-22 12:23:58 S 22 55 29.482 +00 41 00.13 V C57
2021-08-22 12:23:58 s 1 +170558.15 7 +138537.08 3210.0 C57
2021-08-22 12:33:58 S 22 55 30.218 +00 40 47.53 V C57
2021-08-22 12:33:58 s 1 +170538.78 1 +139354.43 2570.0 C57
2021-08-22 12:43:58 S 22 55 31.118 +00 40 35.83 V C57
2021-08-22 12:43:58 s 1 +170517.30 7 +140170.07 5200.0 C57
2021-08-22 12:53:58 S 22 55 31.884 +00 40 23.34 V C57
2021-08-22 12:53:58 s 1 +170493.75 1 +140983.98 1130.0 C57
2021-08-22 13:03:58 S 22 55 32.690 +00 40 11.14 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)