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
2021-08-29 20:19:49 C 23 14 32.765 -02 45 26.06 – V P07
2021-08-29 20:23:58 S 23 12 48.250 -02 50 05.57 – V C57
2021-08-29 20:23:58 s 1 -156788.35 5 +294656.64 860.0 – C57
2021-08-29 20:33:58 S 23 12 49.334 -02 50 15.68 – V C57
2021-08-29 20:33:58 s 1 -157053.62 2 +294237.54 5030.0 – C57
2021-08-29 20:43:58 S 23 12 50.333 -02 50 27.42 – V C57
2021-08-29 20:43:58 s 1 -157318.30 4 +293817.33 7250.0 – C57
2021-08-29 20:53:58 S 23 12 51.475 -02 50 38.83 – V C57
2021-08-29 20:53:58 s 1 -157582.39 7 +293396.02 7510.0 – C57
2021-08-29 21:03:58 S 23 12 52.450 -02 50 49.06 – V C57
2021-08-29 21:03:58 s 1 -157845.90 1 +292973.61 5790.0 – C57
2021-08-29 21:13:58 S 23 12 53.575 -02 50 59.53 – V C57
2021-08-29 21:13:58 s 1 -158108.81 2 +292550.09 2110.0 – C57
2021-08-29 21:23:58 S 23 12 54.590 -02 51 11.48 – V C57
2021-08-29 21:23:58 s 1 -158371.12 9 +292125.46 6440.0 – C57
2021-08-29 21:33:58 S 23 12 55.673 -02 51 21.64 – V C57
2021-08-29 21:33:58 s 1 -158632.84 9 +291699.72 8780.0 – C57
2021-08-29 21:43:58 S 23 12 56.695 -02 51 33.30 – V C57
2021-08-29 21:43:58 s 1 -158893.96 9 +291272.87 9120.0 – C57
2021-08-29 21:53:58 S 23 12 57.838 -02 51 43.96 – V C57
2021-08-29 21:53:58 s 1 -159154.48 9 +290844.92 7460.0 – C57
2021-08-29 22:03:58 S 23 12 58.819 -02 51 54.90 – V C57
2021-08-29 22:03:58 s 1 -159414.40 4 +290415.85 3790.0 – C57
2021-08-29 22:13:58 S 23 12 59.983 -02 52 05.30 – V C57
2021-08-29 22:13:58 s 1 -159673.71 4 +289985.68 8110.0 – C57
2021-08-29 22:23:58 S 23 13 00.924 -02 52 16.75 – V C57
2021-08-29 22:23:58 s 1 -159932.41 6 +289554.39 390.0 – C57
2021-08-29 22:33:58 S 23 13 02.069 -02 52 27.41 – V C57
2021-08-29 22:33:58 s 1 -160190.50 8 +289121.99 640.0 – C57
2021-08-29 22:43:58 S 23 13 03.036 -02 52 38.42 – V C57
2021-08-29 22:43:58 s 1 -160447.98 6 +288688.48 8860.0 – C57
2021-08-29 22:53:58 S 23 13 04.174 -02 52 49.08 – V C57
2021-08-29 22:53:58 s 1 -160704.85 0 +288253.86 5020.0 – C57
2021-08-29 23:03:58 S 23 13 05.155 -02 53 00.02 – V C57
2021-08-29 23:03:58 s 1 -160961.09 6 +287818.12 9130.0 – C57
2021-08-29 23:13:58 S 23 13 06.288 -02 53 11.08 – V C57
2021-08-29 23:13:58 s 1 -161216.72 2 +287381.27 1170.0 – C57
2021-08-29 23:23:58 S 23 13 07.308 -02 53 22.56 – V C57
2021-08-29 23:23:58 s 1 -161471.72 6 +286943.30 1150.0 – C57
2021-08-29 23:33:58 S 23 13 08.412 -02 53 33.14 – V C57
2021-08-29 23:33:58 s 1 -161726.10 6 +286504.22 9050.0 – C57
2021-08-29 23:43:58 S 23 13 09.358 -02 53 43.76 – V C57
2021-08-29 23:43:58 s 1 -161979.85 9 +286064.02 4860.0 – C57
2021-08-29 23:53:58 S 23 13 10.526 -02 53 54.42 – V C57
2021-08-29 23:53:58 s 1 -162232.98 3 +285622.70 8580.0 – C57
2021-08-30 00:03:58 S 23 13 11.520 -02 54 06.44 – V C57
2021-08-30 00:03:58 s 1 -162485.47 6 +285180.27 190.0 – C57
2021-08-30 00:13:58 S 23 13 12.660 -02 54 16.74 – V C57
2021-08-30 00:13:58 s 1 -162737.33 4 +284736.72 9700.0 – C57
2021-08-30 00:23:58 S 23 13 13.632 -02 54 27.72 – 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)