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 10:53:58 s 1 +114533.22 5 +306002.29 2940.0 C57
2021-08-24 11:03:58 S 22 59 38.998 -00 17 04.56 V C57
2021-08-24 11:03:58 s 1 +114220.67 5 +306407.35 1330.0 C57
2021-08-24 11:13:58 S 22 59 39.960 -00 17 17.27 V C57
2021-08-24 11:13:58 s 1 +113907.65 7 +306811.16 8270.0 C57
2021-08-24 11:23:58 S 22 59 40.915 -00 17 29.22 V C57
2021-08-24 11:23:58 s 1 +113594.17 3 +307213.73 3780.0 C57
2021-08-24 11:33:58 S 22 59 41.827 -00 17 41.28 V C57
2021-08-24 11:33:58 s 1 +113280.22 5 +307615.06 7850.0 C57
2021-08-24 11:43:58 S 22 59 42.838 -00 17 54.13 V C57
2021-08-24 11:43:58 s 1 +112965.81 6 +308015.14 500.0 C57
2021-08-24 11:53:58 S 22 59 43.733 -00 18 06.08 V C57
2021-08-24 11:53:58 s 1 +112650.94 7 +308413.98 1730.0 C57
2021-08-24 12:03:58 S 22 59 44.683 -00 18 19.33 V C57
2021-08-24 12:03:58 s 1 +112335.62 2 +308811.58 1560.0 C57
2021-08-24 12:13:58 S 22 59 45.696 -00 18 31.64 V C57
2021-08-24 12:13:58 s 1 +112019.84 2 +309207.95 9980.0 C57
2021-08-24 12:23:58 S 22 59 46.591 -00 18 43.45 V C57
2021-08-24 12:23:58 s 1 +111703.61 0 +309603.07 7010.0 C57
2021-08-24 12:33:58 S 22 59 47.599 -00 18 56.16 V C57
2021-08-24 12:33:58 s 1 +111386.92 7 +309996.96 2650.0 C57
2021-08-24 12:43:58 S 22 59 48.506 -00 19 08.54 V C57
2021-08-24 12:43:58 s 1 +111069.79 7 +310389.61 6910.0 C57
2021-08-24 12:53:58 S 22 59 49.481 -00 19 21.40 V C57
2021-08-24 12:53:58 s 1 +110752.22 1 +310781.03 9790.0 C57
2021-08-24 13:03:58 S 22 59 50.458 -00 19 33.96 V C57
2021-08-24 13:03:58 s 1 +110434.20 2 +311171.21 1320.0 C57
2021-08-24 13:13:58 S 22 59 51.334 -00 19 46.70 V C57
2021-08-24 13:13:58 s 1 +110115.74 1 +311560.17 1480.0 C57
2021-08-24 13:23:58 S 22 59 52.368 -00 19 58.69 V C57
2021-08-24 13:23:58 s 1 +109796.84 2 +311947.89 300.0 C57
2021-08-24 13:33:58 S 22 59 53.278 -00 20 10.93 V C57
2021-08-24 13:33:58 s 1 +109477.50 6 +312334.38 7770.0 C57
2021-08-24 13:43:58 S 22 59 54.235 -00 20 23.82 V C57
2021-08-24 13:43:58 s 1 +109157.73 5 +312719.65 3900.0 C57
2021-08-24 13:53:58 S 22 59 55.222 -00 20 36.56 V C57
2021-08-24 13:53:58 s 1 +108837.53 2 +313103.69 8710.0 C57
2021-08-24 14:03:58 S 22 59 56.138 -00 20 48.62 V C57
2021-08-24 14:03:58 s 1 +108516.89 9 +313486.50 2190.0 C57
2021-08-24 14:13:58 S 22 59 57.154 -00 21 01.15 V C57
2021-08-24 14:13:58 s 1 +108195.83 7 +313868.09 4350.0 C57
2021-08-24 14:23:58 S 22 59 58.104 -00 21 13.10 V C57
2021-08-24 14:23:58 s 1 +107874.35 0 +314248.46 5210.0 C57
2021-08-24 14:33:58 S 22 59 59.095 -00 21 26.46 V C57
2021-08-24 14:33:58 s 1 +107552.43 9 +314627.60 4770.0 C57
2021-08-24 14:43:58 S 22 59 59.995 -00 21 38.16 V C57
2021-08-24 14:43:58 s 1 +107230.10 6 +315005.52 3030.0 C57
2021-08-24 14:53:58 S 23 00 00.883 -00 21 50.51 V C57
2021-08-24 14:53:58 s 1 +106907.35 4 +315382.22 0.0 C57
2021-08-24 15:03:58 S 23 00 01.939 -00 22 03.32 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)