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
2021-08-29 14:13:58 s 1 -146581.15 8 +309392.58 5670.0 C57
2021-08-29 14:23:58 S 23 12 10.241 -02 43 29.57 V C57
2021-08-29 14:23:58 s 1 -146866.61 7 +309013.91 7380.0 C57
2021-08-29 14:33:58 S 23 12 11.273 -02 43 40.15 V C57
2021-08-29 14:33:58 s 1 -147151.56 7 +308634.16 7370.0 C57
2021-08-29 14:43:58 S 23 12 12.310 -02 43 51.67 V C57
2021-08-29 14:43:58 s 1 -147436.00 6 +308253.33 5650.0 C57
2021-08-29 14:53:58 S 23 12 13.382 -02 44 02.76 V C57
2021-08-29 14:53:58 s 1 -147719.93 1 +307871.41 2200.0 C57
2021-08-29 14:59:45 C 23 14 08.256 -02 39 46.76 V P07
2021-08-29 15:13:58 S 23 12 15.454 -02 44 24.54 V C57
2021-08-29 15:13:58 s 1 -148286.23 3 +307104.33 130.0 C57
2021-08-29 15:23:58 S 23 12 16.517 -02 44 35.38 V C57
2021-08-29 15:23:58 s 1 -148568.60 6 +306719.16 1480.0 C57
2021-08-29 15:33:58 S 23 12 17.590 -02 44 47.08 V C57
2021-08-29 15:33:58 s 1 -148850.45 8 +306332.90 1090.0 C57
2021-08-29 15:43:58 S 23 12 18.655 -02 44 57.73 V C57
2021-08-29 15:43:58 s 1 -149131.78 7 +305945.56 8950.0 C57
2021-08-29 15:53:58 S 23 12 19.670 -02 45 07.78 V C57
2021-08-29 15:53:58 s 1 -149412.59 0 +305557.14 5040.0 C57
2021-08-29 16:03:58 S 23 12 20.719 -02 45 17.53 V C57
2021-08-29 16:03:58 s 1 -149692.86 6 +305167.62 9370.0 C57
2021-08-29 16:13:58 S 23 12 21.782 -02 45 28.66 V C57
2021-08-29 16:13:58 s 1 -149972.61 3 +304777.02 1930.0 C57
2021-08-29 18:25:35 C 23 14 23.935 -02 43 25.50 V P07
2021-08-29 18:28:04 C 23 14 24.125 -02 43 28.09 V P07
2021-08-29 18:33:58 S 23 12 36.684 -02 48 05.83 V C57
2021-08-29 18:33:58 s 1 -153832.38 3 +299194.03 8070.0 C57
2021-08-29 18:43:58 S 23 12 37.675 -02 48 16.38 V C57
2021-08-29 18:43:58 s 1 -154103.95 0 +298787.03 3270.0 C57
2021-08-29 18:53:58 S 23 12 38.758 -02 48 26.96 V C57
2021-08-29 18:53:58 s 1 -154374.95 4 +298378.94 6590.0 C57
2021-08-29 19:03:58 S 23 12 39.799 -02 48 37.87 V C57
2021-08-29 19:03:58 s 1 -154645.39 5 +297969.76 8020.0 C57
2021-08-29 19:11:57 C 23 14 27.492 -02 44 14.42 V P07
2021-08-29 19:13:48 C 23 14 27.629 -02 44 16.48 V P07
2021-08-29 19:13:58 S 23 12 40.860 -02 48 48.82 V C57
2021-08-29 19:13:58 s 1 -154915.26 9 +297559.47 7570.0 C57
2021-08-29 19:23:58 S 23 12 41.904 -02 49 00.59 V C57
2021-08-29 19:23:58 s 1 -155184.57 5 +297148.08 5220.0 C57
2021-08-29 19:33:58 S 23 12 43.013 -02 49 11.17 V C57
2021-08-29 19:33:58 s 1 -155453.31 0 +296735.60 960.0 C57
2021-08-29 19:43:58 S 23 12 44.011 -02 49 21.90 V C57
2021-08-29 19:43:58 s 1 -155721.47 3 +296322.01 4790.0 C57
2021-08-29 19:53:58 S 23 12 45.113 -02 49 32.30 V C57
2021-08-29 19:53:58 s 1 -155989.06 1 +295907.32 6710.0 C57
2021-08-29 20:03:58 S 23 12 46.135 -02 49 43.18 V C57
2021-08-29 20:03:58 s 1 -156256.07 2 +295491.53 6690.0 C57
2021-08-29 20:13:58 S 23 12 47.220 -02 49 54.66 V C57
2021-08-29 20:13:58 s 1 -156522.50 4 +295074.64 4750.0 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)