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
2021-08-22 00:33:58 s 1 +165577.02 6 +76104.244 910.0 – C57
2021-08-22 00:43:58 S 22 54 34.944 +00 55 05.38 – V C57
2021-08-22 00:43:58 s 1 +165749.87 9 +77042.664 9530.0 – C57
2021-08-22 00:53:58 S 22 54 35.666 +00 54 53.57 – V C57
2021-08-22 00:53:58 s 1 +165919.28 9 +77979.470 7030.0 – C57
2021-08-22 01:03:58 S 22 54 36.478 +00 54 41.47 – V C57
2021-08-22 01:03:58 s 1 +166085.28 2 +78914.658 3500.0 – C57
2021-08-22 01:13:58 S 22 54 37.219 +00 54 29.99 – V C57
2021-08-22 01:13:58 s 1 +166247.88 4 +79848.222 9010.0 – C57
2021-08-22 01:23:58 S 22 54 37.925 +00 54 18.32 – V C57
2021-08-22 01:23:58 s 1 +166407.12 0 +80780.156 3650.0 – C57
2021-08-22 01:33:58 S 22 54 38.676 +00 54 06.01 – V C57
2021-08-22 01:33:58 s 1 +166563.01 4 +81710.456 7510.0 – C57
2021-08-22 01:43:58 S 22 54 39.487 +00 53 54.20 – V C57
2021-08-22 01:43:58 s 1 +166715.59 2 +82639.116 660.0 – C57
2021-08-22 01:53:58 S 22 54 40.234 +00 53 42.25 – V C57
2021-08-22 01:53:58 s 1 +166864.87 7 +83566.131 3180.0 – C57
2021-08-22 02:03:58 S 22 54 40.927 +00 53 30.55 – V C57
2021-08-22 02:03:58 s 1 +167010.89 5 +84491.498 5150.0 – C57
2021-08-22 02:13:58 S 22 54 41.705 +00 53 18.24 – V C57
2021-08-22 02:13:58 s 1 +167153.67 0 +85415.210 6650.0 – C57
2021-08-22 02:23:58 S 22 54 42.502 +00 53 06.32 – V C57
2021-08-22 02:23:58 s 1 +167293.22 4 +86337.266 7760.0 – C57
2021-08-22 02:33:58 S 22 54 43.222 +00 52 54.19 – V C57
2021-08-22 02:33:58 s 1 +167429.58 2 +87257.659 8560.0 – C57
2021-08-22 02:43:58 S 22 54 43.956 +00 52 42.82 – V C57
2021-08-22 02:43:58 s 1 +167562.76 8 +88176.386 9120.0 – C57
2021-08-22 02:53:58 S 22 54 44.774 +00 52 30.83 – V C57
2021-08-22 02:53:58 s 1 +167692.80 4 +89093.443 9510.0 – C57
2021-08-22 03:03:58 S 22 54 45.550 +00 52 18.44 – V C57
2021-08-22 03:03:58 s 1 +167819.71 3 +90008.828 9820.0 – C57
2021-08-22 03:13:58 S 22 54 46.248 +00 52 07.18 – V C57
2021-08-22 03:13:58 s 1 +167943.51 8 +90922.535 110.0 – C57
2021-08-22 03:23:58 S 22 54 47.014 +00 51 54.94 – V C57
2021-08-22 03:23:58 s 1 +168064.24 2 +91834.561 470.0 – C57
2021-08-22 03:33:58 S 22 54 47.827 +00 51 42.66 – V C57
2021-08-22 03:33:58 s 1 +168181.90 7 +92744.904 950.0 – C57
2021-08-22 03:43:58 S 22 54 48.576 +00 51 30.42 – V C57
2021-08-22 03:43:58 s 1 +168296.53 4 +93653.560 1640.0 – C57
2021-08-22 03:53:58 S 22 54 49.308 +00 51 18.61 – V C57
2021-08-22 03:53:58 s 1 +168408.14 7 +94560.526 2610.0 – C57
2021-08-22 04:03:58 S 22 54 50.095 +00 51 06.52 – V C57
2021-08-22 04:03:58 s 1 +168516.76 7 +95465.800 3930.0 – C57
2021-08-22 04:13:58 S 22 54 50.873 +00 50 54.38 – V C57
2021-08-22 04:13:58 s 1 +168622.41 4 +96369.378 5660.0 – C57
2021-08-22 04:23:58 S 22 54 51.626 +00 50 42.86 – V C57
2021-08-22 04:23:58 s 1 +168725.11 2 +97271.258 7880.0 – C57
2021-08-22 04:33:58 S 22 54 52.392 +00 50 30.19 – V C57
2021-08-22 04:33:58 s 1 +168824.88 0 +98171.437 650.0 – C57
2021-08-22 04:43:58 S 22 54 53.165 +00 50 18.31 – 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)