IAA RAS IAA Minor Planet Database

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
2021-09-04 02:28:21 C 23 24 14.01 -04 50 53.9 – Y 557
2021-09-04 02:33:58 S 23 23 57.792 -04 46 55.85 – V C57
2021-09-04 02:33:58 s 1 +154989.70 1 +22327.902 720.0 – C57
2021-09-04 02:43:58 S 23 23 58.104 -04 47 03.84 – V C57
2021-09-04 02:43:58 s 1 +155390.27 6 +23313.107 7630.0 – C57
2021-09-04 02:53:58 S 23 23 58.394 -04 47 13.24 – V C57
2021-09-04 02:53:58 s 1 +155785.89 0 +24297.560 8490.0 – C57
2021-09-04 03:03:58 S 23 23 58.692 -04 47 21.01 – V C57
2021-09-04 03:03:58 s 1 +156176.58 1 +25281.238 3420.0 – C57
2021-09-04 03:13:58 S 23 23 58.990 -04 47 30.37 – V C57
2021-09-04 03:13:58 s 1 +156562.38 5 +26264.117 2540.0 – C57
2021-09-04 03:23:58 S 23 23 59.292 -04 47 38.98 – V C57
2021-09-04 03:23:58 s 1 +156943.33 8 +27246.174 5970.0 – C57
2021-09-04 03:33:58 S 23 23 59.578 -04 47 47.08 – V C57
2021-09-04 03:33:58 s 1 +157319.47 7 +28227.388 3820.0 – C57
2021-09-04 03:43:58 S 23 23 59.878 -04 47 55.97 – V C57
2021-09-04 03:43:58 s 1 +157690.83 8 +29207.737 6220.0 – C57
2021-09-04 03:53:58 S 23 24 00.178 -04 48 04.43 – V C57
2021-09-04 03:53:58 s 1 +158057.45 5 +30187.199 3290.0 – C57
2021-09-04 04:03:58 S 23 24 00.478 -04 48 13.18 – V C57
2021-09-04 04:03:58 s 1 +158419.36 6 +31165.754 5130.0 – C57
2021-09-04 04:13:58 S 23 24 00.773 -04 48 21.20 – V C57
2021-09-04 04:13:58 s 1 +158776.60 4 +32143.382 1870.0 – C57
2021-09-04 04:23:58 S 23 24 01.051 -04 48 30.53 – V C57
2021-09-04 04:23:58 s 1 +159129.20 4 +33120.063 3610.0 – C57
2021-09-04 04:33:58 S 23 24 01.356 -04 48 39.17 – V C57
2021-09-04 04:33:58 s 1 +159477.20 1 +34095.779 470.0 – C57
2021-09-04 04:43:58 S 23 24 01.654 -04 48 48.28 – V C57
2021-09-04 04:43:58 s 1 +159820.63 0 +35070.509 2560.0 – C57
2021-09-04 04:53:58 S 23 24 01.918 -04 48 56.20 – V C57
2021-09-04 04:53:58 s 1 +160159.52 4 +36044.236 0.0 – C57
2021-09-04 05:03:58 S 23 24 02.196 -04 49 05.23 – V C57
2021-09-04 05:03:58 s 1 +160493.91 6 +37016.941 2890.0 – C57
2021-09-04 05:13:58 S 23 24 02.503 -04 49 13.69 – V C57
2021-09-04 05:13:58 s 1 +160823.84 2 +37988.608 1340.0 – C57
2021-09-04 05:23:58 S 23 24 02.782 -04 49 22.62 – V C57
2021-09-04 05:23:58 s 1 +161149.33 2 +38959.219 5470.0 – C57
2021-09-04 05:33:58 S 23 24 03.060 -04 49 31.08 – V C57
2021-09-04 05:33:58 s 1 +161470.42 2 +39928.758 5370.0 – C57
2021-09-04 06:03:58 S 23 24 03.950 -04 49 57.97 – V C57
2021-09-04 06:03:58 s 1 +162407.60 6 +42830.778 810.0 – C57
2021-09-04 06:11:50 C 23 24 31.32 -04 54 11.2 – U I41
2021-09-04 06:13:58 S 23 24 04.277 -04 50 06.61 – V C57
2021-09-04 06:13:58 s 1 +162711.41 3 +43795.868 4890.0 – C57
2021-09-04 06:23:58 S 23 24 04.560 -04 50 15.25 – V C57
2021-09-04 06:23:58 s 1 +163010.97 9 +44759.807 5270.0 – C57
2021-09-04 06:33:58 S 23 24 04.862 -04 50 24.58 – V C57
2021-09-04 06:33:58 s 1 +163306.33 6 +45722.582 2060.0 – C57
2021-09-04 06:43:58 S 23 24 05.146 -04 50 33.36 – V C57
2021-09-04 06:43:58 s 1 +163597.51 4 +46684.178 5350.0 – 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)