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
2021-09-06 08:03:58 s 1 +145807.74 5 +264428.87 7610.0 – C57
2021-09-06 08:13:58 S 23 25 59.364 -05 34 45.16 – V C57
2021-09-06 08:13:58 s 1 +145551.18 9 +264944.16 6390.0 – C57
2021-09-06 08:23:58 S 23 25 59.851 -05 34 53.40 – V C57
2021-09-06 08:23:58 s 1 +145293.90 9 +265458.10 2890.0 – C57
2021-09-06 08:33:58 S 23 26 00.307 -05 35 02.83 – V C57
2021-09-06 08:33:58 s 1 +145035.90 7 +265970.71 7100.0 – C57
2021-09-06 08:43:58 S 23 26 00.809 -05 35 10.46 – V C57
2021-09-06 08:43:58 s 1 +144777.18 8 +266481.98 9050.0 – C57
2021-09-06 08:53:58 S 23 26 01.279 -05 35 20.18 – V C57
2021-09-06 08:53:58 s 1 +144517.75 4 +266991.91 8750.0 – C57
2021-09-06 09:03:58 S 23 26 01.687 -05 35 29.04 – V C57
2021-09-06 09:03:58 s 1 +144257.61 0 +267500.51 6200.0 – C57
2021-09-06 09:13:58 S 23 26 02.126 -05 35 38.00 – V C57
2021-09-06 09:13:58 s 1 +143996.75 8 +268007.77 1420.0 – C57
2021-09-06 09:23:58 S 23 26 02.544 -05 35 46.68 – V C57
2021-09-06 09:23:58 s 1 +143735.20 3 +268513.70 4420.0 – C57
2021-09-06 09:33:58 S 23 26 03.022 -05 35 56.51 – V C57
2021-09-06 09:33:58 s 1 +143472.94 7 +269018.30 5200.0 – C57
2021-09-06 09:43:58 S 23 26 03.521 -05 36 04.07 – V C57
2021-09-06 09:43:58 s 1 +143209.99 4 +269521.57 3790.0 – C57
2021-09-06 09:53:58 S 23 26 03.991 -05 36 12.64 – V C57
2021-09-06 09:53:58 s 1 +142946.34 8 +270023.52 190.0 – C57
2021-09-06 10:03:58 S 23 26 04.433 -05 36 22.03 – V C57
2021-09-06 10:03:58 s 1 +142682.01 1 +270524.14 4410.0 – C57
2021-09-06 10:13:58 S 23 26 04.886 -05 36 30.78 – V C57
2021-09-06 10:13:58 s 1 +142416.98 7 +271023.43 6460.0 – C57
2021-09-06 10:23:58 S 23 26 05.316 -05 36 39.60 – V C57
2021-09-06 10:23:58 s 1 +142151.27 9 +271521.40 6360.0 – C57
2021-09-06 10:33:58 S 23 26 05.772 -05 36 49.61 – V C57
2021-09-06 10:33:58 s 1 +141884.89 1 +272018.05 4110.0 – C57
2021-09-06 10:43:58 S 23 26 06.254 -05 36 58.36 – V C57
2021-09-06 10:43:58 s 1 +141617.82 6 +272513.38 9720.0 – C57
2021-09-06 10:53:58 S 23 26 06.718 -05 37 05.99 – V C57
2021-09-06 10:53:58 s 1 +141350.08 7 +273007.39 3210.0 – C57
2021-09-06 11:03:58 S 23 26 07.219 -05 37 15.17 – V C57
2021-09-06 11:03:58 s 1 +141081.67 7 +273500.08 4580.0 – C57
2021-09-06 11:13:58 S 23 26 07.666 -05 37 23.23 – V C57
2021-09-06 11:13:58 s 1 +140812.60 0 +273991.46 3850.0 – C57
2021-09-06 11:23:58 S 23 26 08.136 -05 37 33.24 – V C57
2021-09-06 11:23:58 s 1 +140542.85 9 +274481.52 1020.0 – C57
2021-09-06 11:33:58 S 23 26 08.534 -05 37 41.59 – V C57
2021-09-06 11:33:58 s 1 +140272.45 7 +274970.26 6110.0 – C57
2021-09-06 11:43:58 S 23 26 09.029 -05 37 50.66 – V C57
2021-09-06 11:43:58 s 1 +140001.39 7 +275457.70 9130.0 – C57
2021-09-06 12:23:58 S 23 26 10.918 -05 38 25.98 – V C57
2021-09-06 12:23:58 s 1 +138910.64 3 +277394.35 670.0 – C57
2021-09-06 12:33:58 S 23 26 11.330 -05 38 34.26 – V C57
2021-09-06 12:33:58 s 1 +138636.34 1 +277875.24 3470.0 – C57
2021-09-06 12:43:58 S 23 26 11.815 -05 38 43.94 – 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)