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
2021-09-04 06:53:58 S 23 24 05.426 -04 50 42.29 – V C57
2021-09-04 06:53:58 s 1 +163884.54 5 +47644.582 5260.0 – C57
2021-09-04 07:03:58 S 23 24 05.724 -04 50 50.46 – V C57
2021-09-04 07:03:58 s 1 +164167.45 9 +48603.780 1870.0 – C57
2021-09-04 07:07:56 C 23 24 34.66 -04 55 02.7 – U I41
2021-09-04 07:09:16 C 23 24 34.73 -04 55 03.9 – U I41
2021-09-04 07:13:58 S 23 24 06.043 -04 50 59.46 – V C57
2021-09-04 07:13:58 s 1 +164446.28 5 +49561.760 5290.0 – C57
2021-09-04 07:23:58 S 23 24 06.317 -04 51 08.32 – V C57
2021-09-04 07:23:58 s 1 +164721.05 5 +50518.507 5610.0 – C57
2021-09-04 07:33:58 S 23 24 06.631 -04 51 17.42 – V C57
2021-09-04 07:33:58 s 1 +164991.79 8 +51474.011 2940.0 – C57
2021-09-04 07:43:58 S 23 24 06.946 -04 51 25.96 – V C57
2021-09-04 07:43:58 s 1 +165258.54 4 +52428.258 7360.0 – C57
2021-09-04 07:53:58 S 23 24 07.246 -04 51 34.24 – V C57
2021-09-04 07:53:58 s 1 +165521.32 1 +53381.237 8980.0 – C57
2021-09-04 08:02:29 C 23 24 37.85 -04 55 52.5 – U I41
2021-09-04 08:03:58 S 23 24 07.529 -04 51 43.20 – V C57
2021-09-04 08:03:58 s 1 +165780.15 9 +54332.937 7890.0 – C57
2021-09-04 08:13:58 S 23 24 07.879 -04 51 51.98 – V C57
2021-09-04 08:13:58 s 1 +166035.08 7 +55283.346 4180.0 – C57
2021-09-04 08:23:58 S 23 24 08.182 -04 52 00.12 – V C57
2021-09-04 08:23:58 s 1 +166286.13 3 +56232.453 7950.0 – C57
2021-09-04 08:33:31 C 23 24 41.124 -04 56 13.45 – U F51
2021-09-04 08:33:58 S 23 24 08.501 -04 52 09.59 – V C57
2021-09-04 08:33:58 s 1 +166533.32 6 +57180.248 9290.0 – C57
2021-09-04 08:35:33 C 23 24 39.78 -04 56 22.6 – U I41
2021-09-04 08:43:58 S 23 24 08.803 -04 52 18.08 – V C57
2021-09-04 08:43:58 s 1 +166776.69 3 +58126.720 8280.0 – C57
2021-09-04 08:49:07 C 23 24 42.043 -04 56 27.75 – U F51
2021-09-04 08:53:58 S 23 24 09.149 -04 52 27.01 – V C57
2021-09-04 08:53:58 s 1 +167016.26 2 +59071.859 5030.0 – C57
2021-09-04 09:03:58 S 23 24 09.439 -04 52 35.00 – V C57
2021-09-04 09:03:58 s 1 +167252.06 2 +60015.655 9620.0 – C57
2021-09-04 09:04:47 C 23 24 42.960 -04 56 42.07 – U F51
2021-09-04 09:13:58 S 23 24 09.761 -04 52 44.11 – V C57
2021-09-04 09:13:58 s 1 +167484.11 8 +60958.099 2140.0 – C57
2021-09-04 09:23:58 S 23 24 10.049 -04 52 52.57 – V C57
2021-09-04 09:23:58 s 1 +167712.46 0 +61899.181 2670.0 – C57
2021-09-04 09:33:58 S 23 24 10.373 -04 53 02.15 – V C57
2021-09-04 09:33:58 s 1 +167937.11 2 +62838.891 1320.0 – C57
2021-09-04 09:43:58 S 23 24 10.651 -04 53 10.14 – V C57
2021-09-04 09:43:58 s 1 +168158.10 2 +63777.222 8150.0 – C57
2021-09-04 09:53:58 S 23 24 10.982 -04 53 19.64 – V C57
2021-09-04 09:53:58 s 1 +168375.45 6 +64714.164 3270.0 – C57
2021-09-04 10:03:58 S 23 24 11.282 -04 53 28.36 – V C57
2021-09-04 10:03:58 s 1 +168589.20 1 +65649.709 6740.0 – C57
2021-09-04 10:13:58 S 23 24 11.585 -04 53 37.46 – V C57
2021-09-04 10:13:58 s 1 +168799.36 2 +66583.849 8670.0 – C57
2021-09-04 10:16:38 C 23 24 47.11 -04 57 47.7 – V T05
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)