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 04:33:58 s 1 -169055.07 2 +272809.42 770.0 – C57
2021-08-30 04:43:58 S 23 13 41.237 -02 59 09.67 – V C57
2021-08-30 04:43:58 s 1 -169288.87 4 +272335.40 320.0 – C57
2021-08-30 04:53:58 S 23 13 42.319 -02 59 20.26 – V C57
2021-08-30 04:53:58 s 1 -169521.97 0 +271860.24 7520.0 – C57
2021-08-30 05:03:58 S 23 13 43.385 -02 59 30.88 – V C57
2021-08-30 05:03:58 s 1 -169754.35 8 +271383.94 2380.0 – C57
2021-08-30 05:13:58 S 23 13 44.450 -02 59 41.57 – V C57
2021-08-30 05:13:58 s 1 -169986.03 6 +270906.50 4890.0 – C57
2021-08-30 05:23:58 S 23 13 45.463 -02 59 52.12 – V C57
2021-08-30 05:23:58 s 1 -170217.00 1 +270427.93 5030.0 – C57
2021-08-30 05:33:58 S 23 13 46.536 -03 00 02.48 – V C57
2021-08-30 05:33:58 s 1 -170447.25 0 +269948.20 2790.0 – C57
2021-08-30 05:43:58 S 23 13 47.626 -03 00 13.39 – V C57
2021-08-30 05:43:58 s 1 -170676.78 0 +269467.34 8180.0 – C57
2021-08-30 05:53:58 S 23 13 48.626 -03 00 24.84 – V C57
2021-08-30 05:53:58 s 1 -170905.58 9 +268985.33 1170.0 – C57
2021-08-30 06:03:58 S 23 13 49.690 -03 00 35.21 – V C57
2021-08-30 06:03:58 s 1 -171133.67 3 +268502.18 1770.0 – C57
2021-08-30 06:13:58 S 23 13 50.755 -03 00 46.12 – V C57
2021-08-30 06:13:58 s 1 -171361.03 1 +268017.89 9950.0 – C57
2021-08-30 06:23:58 S 23 13 51.938 -03 00 57.06 – V C57
2021-08-30 06:23:58 s 1 -171587.65 9 +267532.45 5720.0 – C57
2021-08-30 06:33:58 S 23 13 52.927 -03 01 08.15 – V C57
2021-08-30 06:33:58 s 1 -171813.55 4 +267045.86 9060.0 – C57
2021-08-30 06:43:58 S 23 13 54.012 -03 01 18.26 – V C57
2021-08-30 06:43:58 s 1 -172038.71 3 +266558.13 9970.0 – C57
2021-08-30 06:53:58 S 23 13 55.049 -03 01 29.64 – V C57
2021-08-30 06:53:58 s 1 -172263.13 4 +266069.25 8430.0 – C57
2021-08-30 07:03:58 S 23 13 56.141 -03 01 39.65 – V C57
2021-08-30 07:03:58 s 1 -172486.81 4 +265579.22 4440.0 – C57
2021-08-30 07:13:58 S 23 13 57.151 -03 01 50.52 – V C57
2021-08-30 07:13:58 s 1 -172709.75 0 +265088.04 7980.0 – C57
2021-08-30 07:23:58 S 23 13 58.308 -03 02 01.07 – V C57
2021-08-30 07:23:58 s 1 -172931.94 0 +264595.71 9050.0 – C57
2021-08-30 07:33:58 S 23 13 59.354 -03 02 12.77 – V C57
2021-08-30 07:33:58 s 1 -173153.37 9 +264102.23 7640.0 – C57
2021-08-30 07:43:58 S 23 14 00.406 -03 02 23.17 – V C57
2021-08-30 07:43:58 s 1 -173374.06 6 +263607.60 3740.0 – C57
2021-08-30 07:53:58 S 23 14 01.382 -03 02 33.50 – V C57
2021-08-30 07:53:58 s 1 -173593.99 7 +263111.82 7330.0 – C57
2021-08-30 08:03:58 S 23 14 02.534 -03 02 44.02 – V C57
2021-08-30 08:03:58 s 1 -173813.17 0 +262614.88 8420.0 – C57
2021-08-30 08:13:58 S 23 14 03.514 -03 02 55.93 – V C57
2021-08-30 08:13:58 s 1 -174031.58 1 +262116.80 6990.0 – C57
2021-08-30 08:23:58 S 23 14 04.644 -03 03 05.65 – V C57
2021-08-30 08:23:58 s 1 -174249.22 8 +261617.55 3020.0 – C57
2021-08-30 08:33:58 S 23 14 05.666 -03 03 16.85 – V C57
2021-08-30 08:33:58 s 1 -174466.10 7 +261117.15 6520.0 – C57
2021-08-30 08:43:58 S 23 14 06.814 -03 03 26.60 – 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)