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
2021-09-07 09:03:58 s 1 +100856.07 0 +327473.11 910.0 C57
2021-09-07 09:13:58 S 23 27 11.326 -05 56 38.87 V C57
2021-09-07 09:13:58 s 1 +100522.11 2 +327801.62 6810.0 C57
2021-09-07 09:23:58 S 23 27 11.794 -05 56 47.47 V C57
2021-09-07 09:23:58 s 1 +100187.80 7 +328128.98 1630.0 C57
2021-09-07 09:27:26 C 23 29 13.91 -05 59 26.4 U I41
2021-09-07 09:28:47 C 23 29 13.99 -05 59 27.5 U I41
2021-09-07 09:33:58 S 23 27 12.305 -05 56 56.83 V C57
2021-09-07 09:33:58 s 1 +99853.157 0 +328455.17 5390.0 C57
2021-09-07 09:43:58 S 23 27 12.794 -05 57 04.46 V C57
2021-09-07 09:43:58 s 1 +99518.165 0 +328780.20 8070.0 C57
2021-09-07 09:53:58 S 23 27 13.370 -05 57 13.07 V C57
2021-09-07 09:53:58 s 1 +99182.830 0 +329104.08 9700.0 C57
2021-09-07 10:03:58 S 23 27 13.867 -05 57 21.28 V C57
2021-09-07 10:03:58 s 1 +98847.156 0 +329426.79 270.0 C57
2021-09-07 10:13:58 S 23 27 14.335 -05 57 30.82 V C57
2021-09-07 10:13:58 s 1 +98511.145 0 +329748.35 9790.0 C57
2021-09-07 10:23:58 S 23 27 14.820 -05 57 39.31 V C57
2021-09-07 10:23:58 s 1 +98174.797 0 +330068.75 8270.0 C57
2021-09-07 10:33:58 S 23 27 15.324 -05 57 48.31 V C57
2021-09-07 10:33:58 s 1 +97838.115 0 +330387.99 5710.0 C57
2021-09-07 10:43:58 S 23 27 15.864 -05 57 55.87 V C57
2021-09-07 10:43:58 s 1 +97501.100 0 +330706.08 2120.0 C57
2021-09-07 10:53:14 C 23 29 19.50 -06 00 30.0 V T08
2021-09-07 10:53:58 S 23 27 16.399 -05 58 04.26 V C57
2021-09-07 10:53:58 s 1 +97163.754 0 +331023.01 7510.0 C57
2021-09-07 11:00:54 C 23 29 19.87 -06 00 36.3 V T08
2021-09-07 11:03:58 S 23 27 16.858 -05 58 13.58 V C57
2021-09-07 11:03:58 s 1 +96826.080 0 +331338.79 1870.0 C57
2021-09-07 11:13:58 S 23 27 17.359 -05 58 22.37 V C57
2021-09-07 11:13:58 s 1 +96488.078 0 +331653.42 5220.0 C57
2021-09-07 11:23:58 S 23 27 17.858 -05 58 31.84 V C57
2021-09-07 11:23:58 s 1 +96149.750 0 +331966.89 7560.0 C57
2021-09-07 11:49:28 C 23 29 22.25 -06 01 15.9 V T08
2021-09-07 11:54:07 C 23 29 22.48 -06 01 19.7 V T08
2021-09-07 12:03:58 S 23 27 19.889 -05 59 06.04 V C57
2021-09-07 12:03:58 s 1 +94793.219 0 +333209.30 6930.0 C57
2021-09-07 12:13:58 S 23 27 20.350 -05 59 13.96 V C57
2021-09-07 12:13:58 s 1 +94453.290 0 +333517.03 4310.0 C57
2021-09-07 12:23:58 S 23 27 20.873 -05 59 22.56 V C57
2021-09-07 12:23:58 s 1 +94113.045 0 +333823.61 710.0 C57
2021-09-07 12:33:58 S 23 27 21.434 -05 59 30.59 V C57
2021-09-07 12:33:58 s 1 +93772.487 0 +334129.05 6130.0 C57
2021-09-07 12:43:58 S 23 27 21.977 -05 59 39.19 V C57
2021-09-07 12:43:58 s 1 +93431.617 0 +334433.34 590.0 C57
2021-09-07 12:53:58 S 23 27 22.442 -05 59 47.51 V C57
2021-09-07 12:53:58 s 1 +93090.436 0 +334736.49 4090.0 C57
2021-09-07 13:03:58 S 23 27 22.930 -05 59 56.65 V C57
2021-09-07 13:03:58 s 1 +92748.947 0 +335038.50 6640.0 C57
2021-09-07 13:13:58 S 23 27 23.386 -06 00 06.01 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)