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
2021-09-08 02:23:58 s 1 +64569.264 0 +355564.57 430.0 C57
2021-09-08 02:33:58 S 23 28 04.831 -06 11 26.12 V C57
2021-09-08 02:33:58 s 1 +64207.894 0 +355776.51 1950.0 C57
2021-09-08 02:43:58 S 23 28 05.410 -06 11 34.30 V C57
2021-09-08 02:43:58 s 1 +63846.336 0 +355987.37 2890.0 C57
2021-09-08 02:53:57 S 23 28 05.918 -06 11 43.04 V C57
2021-09-08 02:53:57 s 1 +63484.591 0 +356197.14 3270.0 C57
2021-09-08 03:03:58 S 23 28 06.427 -06 11 51.58 V C57
2021-09-08 03:03:58 s 1 +63122.663 0 +356405.84 3100.0 C57
2021-09-08 03:13:57 S 23 28 06.938 -06 12 00.72 V C57
2021-09-08 03:13:57 s 1 +62760.550 0 +356613.44 2360.0 C57
2021-09-08 03:23:58 S 23 28 07.495 -06 12 07.92 V C57
2021-09-08 03:23:58 s 1 +62398.256 0 +356819.97 1080.0 C57
2021-09-08 03:33:58 S 23 28 08.040 -06 12 16.13 V C57
2021-09-08 03:33:58 s 1 +62035.781 0 +357025.42 9250.0 C57
2021-09-08 03:43:58 S 23 28 08.544 -06 12 24.59 V C57
2021-09-08 03:43:58 s 1 +61673.126 0 +357229.78 6870.0 C57
2021-09-08 03:53:58 S 23 28 09.050 -06 12 33.73 V C57
2021-09-08 03:53:58 s 1 +61310.293 0 +357433.07 3960.0 C57
2021-09-08 04:03:58 S 23 28 09.557 -06 12 42.01 V C57
2021-09-08 04:03:58 s 1 +60947.284 0 +357635.27 510.0 C57
2021-09-08 04:13:58 S 23 28 10.102 -06 12 50.54 V C57
2021-09-08 04:13:58 s 1 +60584.098 0 +357836.40 6540.0 C57
2021-09-08 04:23:57 S 23 28 10.642 -06 12 58.07 V C57
2021-09-08 04:23:57 s 1 +60220.738 0 +358036.45 2030.0 C57
2021-09-08 04:33:58 S 23 28 11.189 -06 13 06.78 V C57
2021-09-08 04:33:58 s 1 +59857.205 0 +358235.42 7010.0 C57
2021-09-08 04:43:57 S 23 28 11.678 -06 13 15.46 V C57
2021-09-08 04:43:57 s 1 +59493.501 0 +358433.31 1460.0 C57
2021-09-08 04:53:58 S 23 28 12.211 -06 13 24.35 V C57
2021-09-08 04:53:58 s 1 +59129.625 0 +358630.13 5400.0 C57
2021-09-08 05:03:58 S 23 28 12.790 -06 13 32.05 V C57
2021-09-08 05:03:58 s 1 +58765.581 0 +358825.87 8830.0 C57
2021-09-08 05:13:58 S 23 28 13.342 -06 13 40.08 V C57
2021-09-08 05:13:58 s 1 +58401.368 0 +359020.54 1760.0 C57
2021-09-08 05:23:58 S 23 28 13.841 -06 13 48.72 V C57
2021-09-08 05:23:58 s 1 +58036.989 0 +359214.13 4180.0 C57
2021-09-08 05:33:58 S 23 28 14.335 -06 13 57.58 V C57
2021-09-08 05:33:58 s 1 +57672.444 0 +359406.65 6110.0 C57
2021-09-08 05:43:58 S 23 28 14.873 -06 14 05.96 V C57
2021-09-08 05:43:58 s 1 +57307.736 0 +359598.09 7540.0 C57
2021-09-08 05:53:57 S 23 28 15.401 -06 14 13.42 V C57
2021-09-08 05:53:57 s 1 +56942.864 0 +359788.46 8480.0 C57
2021-09-08 06:03:58 S 23 28 15.946 -06 14 22.16 V C57
2021-09-08 06:03:58 s 1 +56577.830 0 +359977.76 8930.0 C57
2021-09-08 06:13:57 S 23 28 16.486 -06 14 29.76 V C57
2021-09-08 06:13:57 s 1 +56212.636 0 +360165.99 8910.0 C57
2021-09-08 06:23:58 S 23 28 17.002 -06 14 39.66 V C57
2021-09-08 06:23:58 s 1 +55847.283 0 +360353.14 8400.0 C57
2021-09-08 06:33:58 S 23 28 17.491 -06 14 47.80 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)