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
2021-08-26 09:03:58 S 23 04 10.682 -01 13 42.82 V C57
2021-08-26 09:03:58 s 1 +16442.931 0 +374034.66 3400.0 C57
2021-08-26 09:13:58 S 23 04 11.587 -01 13 53.65 V C57
2021-08-26 09:13:58 s 1 +16065.783 0 +374129.38 2730.0 C57
2021-08-26 09:43:58 S 23 04 14.738 -01 14 30.19 V C57
2021-08-26 09:43:58 s 1 +14934.031 0 +374407.36 170.0 C57
2021-08-26 09:53:58 S 23 04 15.691 -01 14 43.26 V C57
2021-08-26 09:53:58 s 1 +14556.682 0 +374497.95 9150.0 C57
2021-08-26 10:13:58 S 23 04 17.662 -01 15 04.10 V C57
2021-08-26 10:13:58 s 1 +13801.840 0 +374676.04 6860.0 C57
2021-08-26 10:23:58 S 23 04 18.641 -01 15 16.78 V C57
2021-08-26 10:23:58 s 1 +13424.350 0 +374763.53 5610.0 C57
2021-08-26 10:33:58 S 23 04 19.730 -01 15 31.00 V C57
2021-08-26 10:33:58 s 1 +13046.816 0 +374849.99 4280.0 C57
2021-08-26 10:43:58 S 23 04 20.690 -01 15 43.45 V C57
2021-08-26 10:43:58 s 1 +12669.238 0 +374935.43 2890.0 C57
2021-08-26 10:53:58 S 23 04 21.818 -01 15 55.19 V C57
2021-08-26 10:53:58 s 1 +12291.618 0 +375019.83 1430.0 C57
2021-08-26 11:03:58 S 23 04 22.728 -01 16 07.00 V C57
2021-08-26 11:03:58 s 1 +11913.956 0 +375103.20 9920.0 C57
2021-08-26 11:13:58 S 23 04 23.741 -01 16 18.37 V C57
2021-08-26 11:13:58 s 1 +11536.254 0 +375185.54 8340.0 C57
2021-08-26 11:22:01 C 23 07 05.19 -01 17 03.9 V T08
2021-08-26 11:23:58 S 23 04 24.742 -01 16 29.68 V C57
2021-08-26 11:23:58 s 1 +11158.512 0 +375266.85 6720.0 C57
2021-08-26 11:26:41 C 23 07 05.60 -01 17 09.3 V T08
2021-08-26 11:33:58 S 23 04 25.738 -01 16 43.43 V C57
2021-08-26 11:33:58 s 1 +10780.732 0 +375347.13 5040.0 C57
2021-08-26 11:34:39 C 23 07 06.30 -01 17 18.3 V T08
2021-08-26 11:43:58 S 23 04 26.786 -01 16 54.70 V C57
2021-08-26 11:43:58 s 1 +10402.915 0 +375426.38 3320.0 C57
2021-08-26 11:53:58 S 23 04 27.763 -01 17 07.30 V C57
2021-08-26 11:53:58 s 1 +10025.062 0 +375504.61 1560.0 C57
2021-08-26 11:56:15 C 23 07 08.20 -01 17 42.8 V T08
2021-08-26 12:03:58 S 23 04 28.865 -01 17 19.21 V C57
2021-08-26 12:08:19 C 23 07 09.26 -01 17 56.5 V T08
2021-08-26 12:12:58 C 23 07 09.67 -01 18 01.8 V T08
2021-08-26 12:13:58 S 23 04 29.832 -01 17 30.91 V C57
2021-08-26 12:23:15 C 23 07 10.57 -01 18 13.4 V T08
2021-08-26 12:23:58 S 23 04 30.828 -01 17 42.61 V C57
2021-08-26 12:33:58 S 23 04 31.805 -01 17 54.78 V C57
2021-08-26 12:43:58 S 23 04 32.906 -01 18 07.02 V C57
2021-08-26 12:53:58 S 23 04 33.890 -01 18 18.97 V C57
2021-08-26 13:03:58 S 23 04 34.901 -01 18 31.03 V C57
2021-08-26 13:12:34 C 23 07 14.94 -01 19 09.2 V T08
2021-08-26 13:13:58 S 23 04 35.916 -01 18 43.31 V C57
2021-08-26 13:23:58 S 23 04 36.934 -01 18 55.98 V C57
2021-08-26 13:33:58 S 23 04 37.985 -01 19 08.18 V C57
2021-08-26 13:43:58 S 23 04 38.909 -01 19 19.34 V C57
2021-08-26 13:53:58 S 23 04 39.984 -01 19 31.80 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)