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
2021-08-25 21:33:58 s 1 +42278.233 0 +364977.61 9890.0 C57
2021-08-25 21:43:58 S 23 03 02.405 -00 59 54.71 V C57
2021-08-25 21:43:58 s 1 +41907.330 0 +365144.72 4340.0 C57
2021-08-25 21:53:58 S 23 03 03.276 -01 00 07.92 V C57
2021-08-25 21:53:58 s 1 +41536.298 0 +365310.76 8440.0 C57
2021-08-25 22:01:17 C 23 05 45.33 -01 02 07.5 V 089
2021-08-25 22:03:58 S 23 03 04.387 -01 00 19.66 V C57
2021-08-25 22:03:58 s 1 +41165.137 0 +365475.74 2210.0 C57
2021-08-25 22:04:35 C 23 05 45.64 -01 02 11.2 V 089
2021-08-25 22:07:53 C 23 05 45.93 -01 02 14.8 V 089
2021-08-25 22:11:11 C 23 05 46.24 -01 02 18.8 V 089
2021-08-25 22:13:58 S 23 03 05.266 -01 00 30.24 V C57
2021-08-25 22:13:58 s 1 +40793.850 0 +365639.66 5630.0 C57
2021-08-25 22:14:29 C 23 05 46.57 -01 02 22.5 V 089
2021-08-25 22:17:47 C 23 05 46.86 -01 02 26.7 V 089
2021-08-25 22:21:05 C 23 05 47.17 -01 02 30.0 V 089
2021-08-25 22:23:58 S 23 03 06.370 -01 00 42.98 V C57
2021-08-25 22:23:58 s 1 +40422.437 0 +365802.51 8720.0 C57
2021-08-25 22:24:23 C 23 05 47.48 -01 02 33.8 V 089
2021-08-25 22:27:41 C 23 05 47.79 -01 02 37.6 V 089
2021-08-25 22:30:59 C 23 05 48.10 -01 02 41.3 V 089
2021-08-25 22:33:58 S 23 03 07.248 -01 00 56.27 V C57
2021-08-25 22:33:58 s 1 +40050.899 0 +365964.29 1480.0 C57
2021-08-25 22:43:58 S 23 03 08.318 -01 01 08.65 V C57
2021-08-25 22:43:58 s 1 +39679.238 0 +366125.02 3920.0 C57
2021-08-25 22:53:58 S 23 03 09.343 -01 01 19.96 V C57
2021-08-25 22:53:58 s 1 +39307.454 0 +366284.68 6030.0 C57
2021-08-25 23:13:58 S 23 03 11.321 -01 01 44.11 V C57
2021-08-25 23:13:58 s 1 +38563.525 0 +366600.82 9310.0 C57
2021-08-25 23:23:58 S 23 03 12.262 -01 01 56.21 V C57
2021-08-25 23:23:58 s 1 +38191.382 0 +366757.30 480.0 C57
2021-08-25 23:33:58 S 23 03 13.301 -01 02 09.67 V C57
2021-08-25 23:33:58 s 1 +37819.122 0 +366912.71 1340.0 C57
2021-08-25 23:43:58 S 23 03 14.268 -01 02 21.01 V C57
2021-08-25 23:43:58 s 1 +37446.745 0 +367067.07 1900.0 C57
2021-08-25 23:53:58 S 23 03 15.370 -01 02 34.08 V C57
2021-08-25 23:53:58 s 1 +37074.252 0 +367220.37 2160.0 C57
2021-08-26 00:03:58 S 23 03 16.315 -01 02 45.17 V C57
2021-08-26 00:03:58 s 1 +36701.646 0 +367372.61 2130.0 C57
2021-08-26 00:13:58 S 23 03 17.273 -01 02 57.84 V C57
2021-08-26 00:13:58 s 1 +36328.927 0 +367523.80 1800.0 C57
2021-08-26 00:23:58 S 23 03 18.355 -01 03 09.83 V C57
2021-08-26 00:23:58 s 1 +35956.096 0 +367673.92 1190.0 C57
2021-08-26 00:33:58 S 23 03 19.279 -01 03 21.85 V C57
2021-08-26 00:33:58 s 1 +35583.154 0 +367822.99 290.0 C57
2021-08-26 00:43:58 S 23 03 20.366 -01 03 33.84 V C57
2021-08-26 00:43:58 s 1 +35210.103 0 +367971.00 9110.0 C57
2021-08-26 00:53:58 S 23 03 21.317 -01 03 46.40 V C57
2021-08-26 00:53:58 s 1 +34836.944 0 +368117.96 7660.0 C57
2021-08-26 01:03:58 S 23 03 22.390 -01 03 58.25 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)