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
2021-08-30 00:23:58 s 1 -162988.55 6 +284292.04 7090.0 – C57
2021-08-30 00:33:58 S 23 13 14.770 -02 54 37.94 – V C57
2021-08-30 00:33:58 s 1 -163239.14 0 +283846.25 2360.0 – C57
2021-08-30 00:43:58 S 23 13 15.696 -02 54 49.54 – V C57
2021-08-30 00:43:58 s 1 -163489.08 2 +283399.34 5500.0 – C57
2021-08-30 00:53:58 S 23 13 16.891 -02 55 00.37 – V C57
2021-08-30 00:53:58 s 1 -163738.38 0 +282951.31 6490.0 – C57
2021-08-30 01:03:58 S 23 13 17.834 -02 55 10.85 – V C57
2021-08-30 01:03:58 s 1 -163987.03 3 +282502.15 5340.0 – C57
2021-08-30 01:13:58 S 23 13 19.018 -02 55 21.79 – V C57
2021-08-30 01:13:58 s 1 -164235.03 7 +282051.87 2030.0 – C57
2021-08-30 01:23:58 S 23 13 19.980 -02 55 32.88 – V C57
2021-08-30 01:23:58 s 1 -164482.39 0 +281600.47 6560.0 – C57
2021-08-30 01:33:58 S 23 13 21.137 -02 55 43.25 – V C57
2021-08-30 01:33:58 s 1 -164729.09 0 +281147.94 8920.0 – C57
2021-08-30 01:43:58 S 23 13 22.087 -02 55 54.73 – V C57
2021-08-30 01:43:58 s 1 -164975.13 4 +280694.29 9100.0 – C57
2021-08-30 01:53:58 S 23 13 23.249 -02 56 04.88 – V C57
2021-08-30 01:53:58 s 1 -165220.51 9 +280239.51 7090.0 – C57
2021-08-30 02:03:58 S 23 13 24.245 -02 56 15.90 – V C57
2021-08-30 02:03:58 s 1 -165465.24 4 +279783.61 2880.0 – C57
2021-08-30 02:13:58 S 23 13 25.354 -02 56 26.77 – V C57
2021-08-30 02:13:58 s 1 -165709.30 5 +279326.58 6480.0 – C57
2021-08-30 02:23:58 S 23 13 26.330 -02 56 37.93 – V C57
2021-08-30 02:23:58 s 1 -165952.70 0 +278868.42 7860.0 – C57
2021-08-30 02:33:58 S 23 13 27.494 -02 56 48.08 – V C57
2021-08-30 02:33:58 s 1 -166195.42 7 +278409.14 7020.0 – C57
2021-08-30 02:43:58 S 23 13 28.502 -02 56 59.78 – V C57
2021-08-30 02:43:58 s 1 -166437.48 3 +277948.72 3950.0 – C57
2021-08-30 02:53:58 S 23 13 29.628 -02 57 09.72 – V C57
2021-08-30 02:53:58 s 1 -166678.86 5 +277487.17 8640.0 – C57
2021-08-30 03:03:58 S 23 13 30.547 -02 57 21.49 – V C57
2021-08-30 03:03:58 s 1 -166919.57 1 +277024.50 1100.0 – C57
2021-08-30 03:13:58 S 23 13 31.716 -02 57 31.93 – V C57
2021-08-30 03:13:58 s 1 -167159.59 9 +276560.69 1290.0 – C57
2021-08-30 03:23:58 S 23 13 32.695 -02 57 43.24 – V C57
2021-08-30 03:23:58 s 1 -167398.94 5 +276095.75 9230.0 – C57
2021-08-30 03:33:58 S 23 13 33.838 -02 57 53.28 – V C57
2021-08-30 03:33:58 s 1 -167637.60 7 +275629.68 4900.0 – C57
2021-08-30 03:43:58 S 23 13 34.853 -02 58 04.51 – V C57
2021-08-30 03:43:58 s 1 -167875.58 3 +275162.48 8290.0 – C57
2021-08-30 03:53:58 S 23 13 35.962 -02 58 15.67 – V C57
2021-08-30 03:53:58 s 1 -168112.87 0 +274694.14 9390.0 – C57
2021-08-30 04:03:58 S 23 13 36.991 -02 58 26.54 – V C57
2021-08-30 04:03:58 s 1 -168349.46 4 +274224.66 8200.0 – C57
2021-08-30 04:13:58 S 23 13 38.078 -02 58 36.84 – V C57
2021-08-30 04:13:58 s 1 -168585.36 5 +273754.05 4710.0 – C57
2021-08-30 04:23:58 S 23 13 39.132 -02 58 47.78 – V C57
2021-08-30 04:23:58 s 1 -168820.56 8 +273282.31 8900.0 – C57
2021-08-30 04:33:58 S 23 13 40.183 -02 58 57.86 – 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)