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
2021-08-23 22:03:58 s 1 +136990.52 6 +270962.60 5810.0 C57
2021-08-23 22:13:58 S 22 58 26.659 -00 01 03.07 V C57
2021-08-23 22:13:58 s 1 +136721.97 6 +271467.78 1340.0 C57
2021-08-23 22:28:27 C 23 00 43.86 -00 06 43.5 V 089
2021-08-23 22:31:46 C 23 00 44.19 -00 06 48.6 V 089
2021-08-23 22:33:58 S 22 58 28.555 -00 01 27.80 V C57
2021-08-23 22:33:58 s 1 +136182.82 4 +272474.08 5950.0 C57
2021-08-23 22:35:04 C 23 00 44.52 -00 06 51.3 V 089
2021-08-23 22:43:58 S 22 58 29.486 -00 01 40.62 V C57
2021-08-23 22:43:58 s 1 +135912.22 9 +272975.20 5060.0 C57
2021-08-23 22:53:58 S 22 58 30.456 -00 01 52.86 V C57
2021-08-23 22:53:58 s 1 +135640.95 9 +273474.96 2050.0 C57
2021-08-23 23:03:58 S 22 58 31.334 -00 02 05.46 V C57
2021-08-23 23:03:58 s 1 +135369.01 6 +273973.38 6940.0 C57
2021-08-23 23:13:58 S 22 58 32.266 -00 02 18.02 V C57
2021-08-23 23:13:58 s 1 +135096.40 6 +274470.44 9730.0 C57
2021-08-23 23:23:58 S 22 58 33.214 -00 02 30.34 V C57
2021-08-23 23:23:58 s 1 +134823.13 0 +274966.16 430.0 C57
2021-08-23 23:33:58 S 22 58 34.099 -00 02 42.25 V C57
2021-08-23 23:33:58 s 1 +134549.19 2 +275460.53 9060.0 C57
2021-08-23 23:43:58 S 22 58 35.078 -00 02 55.07 V C57
2021-08-23 23:43:58 s 1 +134274.59 6 +275953.56 5620.0 C57
2021-08-23 23:46:29 C 23 00 51.72 -00 08 16.2 V 089
2021-08-23 23:49:47 C 23 00 52.09 -00 08 20.0 V 089
2021-08-23 23:53:05 C 23 00 52.41 -00 08 24.5 V 089
2021-08-23 23:53:58 S 22 58 36.000 -00 03 07.60 V C57
2021-08-23 23:53:58 s 1 +133999.34 5 +276445.24 130.0 C57
2021-08-23 23:56:23 C 23 00 52.75 -00 08 27.8 V 089
2021-08-23 23:59:41 C 23 00 53.08 -00 08 31.6 V 089
2021-08-24 00:02:59 C 23 00 53.40 -00 08 35.5 V 089
2021-08-24 00:03:58 S 22 58 36.869 -00 03 20.27 V C57
2021-08-24 00:03:58 s 1 +133723.44 1 +276935.58 2600.0 C57
2021-08-24 00:06:17 C 23 00 53.76 -00 08 39.9 V 089
2021-08-24 00:13:58 S 22 58 37.872 -00 03 32.90 V C57
2021-08-24 00:13:58 s 1 +133446.88 8 +277424.58 3040.0 C57
2021-08-24 00:23:58 S 22 58 38.743 -00 03 45.11 V C57
2021-08-24 00:23:58 s 1 +133169.69 0 +277912.25 1450.0 C57
2021-08-24 00:33:58 S 22 58 39.701 -00 03 57.85 V C57
2021-08-24 00:33:58 s 1 +132891.84 9 +278398.58 7850.0 C57
2021-08-24 00:43:58 S 22 58 40.649 -00 04 10.52 V C57
2021-08-24 00:43:58 s 1 +132613.36 9 +278883.57 2250.0 C57
2021-08-24 00:53:58 S 22 58 41.534 -00 04 22.73 V C57
2021-08-24 00:53:58 s 1 +132334.25 3 +279367.23 4660.0 C57
2021-08-24 01:03:58 S 22 58 42.506 -00 04 35.15 V C57
2021-08-24 01:03:58 s 1 +132054.50 3 +279849.55 5090.0 C57
2021-08-24 01:13:58 S 22 58 43.411 -00 04 48.04 V C57
2021-08-24 01:13:58 s 1 +131774.12 4 +280330.55 3550.0 C57
2021-08-24 01:23:58 S 22 58 44.330 -00 05 00.20 V C57
2021-08-24 01:23:58 s 1 +131493.11 8 +280810.22 40.0 C57
2021-08-24 01:33:58 S 22 58 45.312 -00 05 12.55 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)