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
2021-09-14 11:43:59 s 1 -185909.05 8 +101612.80 7280.0 C57
2021-09-14 11:53:59 S 23 37 24.228 -08 03 27.94 V C57
2021-09-14 11:53:59 s 1 -185789.72 0 +100789.24 7060.0 C57
2021-09-14 12:03:59 S 23 37 25.044 -08 03 35.21 V C57
2021-09-14 12:03:59 s 1 -185667.89 0 +99964.340 8540.0 C57
2021-09-14 12:13:59 S 23 37 25.654 -08 03 41.08 V C57
2021-09-14 12:13:59 s 1 -185543.55 3 +99138.087 1670.0 C57
2021-09-14 16:53:59 S 23 37 44.844 -08 06 19.62 V C57
2021-09-14 16:53:59 s 1 -180978.77 0 +75467.488 4940.0 C57
2021-09-14 21:03:48 C 23 38 14.67 -08 06 43.7 Y 557
2021-09-14 22:08:44 C 23 38 17.09 -08 07 22.6 Y 557
2021-09-14 23:10:35 C 23 38 19.38 -08 07 59.4 Y 557
2021-09-15 00:15:31 C 23 38 21.77 -08 08 37.7 Y 557
2021-09-15 01:23:32 C 23 38 24.31 -08 09 17.5 Y 557
2021-09-15 06:39:14 C 23 38 38.93 -08 12 19.1 V U74
2021-09-15 06:44:50 C 23 38 39.12 -08 12 22.3 V U74
2021-09-15 09:02:59 C 23 38 43.98 -08 13 42.8 V U74
2021-09-15 09:08:35 C 23 38 44.17 -08 13 46.0 V U74
2021-09-15 21:43:55 C 23 39 16.01 -08 21 02.4 V 089
2021-09-15 21:48:26 C 23 39 16.16 -08 21 04.9 V 089
2021-09-15 21:53:54 C 23 39 16.34 -08 21 08.1 V 089
2021-09-15 21:58:27 C 23 39 16.50 -08 21 10.7 V 089
2021-09-15 22:03:54 C 23 39 16.70 -08 21 13.6 V 089
2021-09-15 22:08:27 C 23 39 16.87 -08 21 16.4 V 089
2021-09-15 22:43:32 C 23 39 18.08 -08 21 36.0 V 089
2021-09-15 23:03:32 C 23 39 18.80 -08 21 47.0 V 089
2021-09-15 23:12:26 C 23 39 19.11 -08 21 52.1 V 089
2021-09-16 14:35:07 C 23 39 57.51 -08 30 18.4 V D29
2021-09-16 15:00:33 C 23 39 58.35 -08 30 32.4 V D29
2021-09-17 05:03:12 C 23 40 32.12 -08 38 03.8 V 703
2021-09-17 05:11:04 C 23 40 32.37 -08 38 08.2 V 703
2021-09-17 05:18:55 C 23 40 32.62 -08 38 12.1 V 703
2021-09-17 05:26:47 C 23 40 32.89 -08 38 16.3 V 703
2021-09-17 10:16:49 C 23 40 43.40 -08 40 43.5 V T05
2021-09-17 10:31:01 C 23 40 43.84 -08 40 51.0 V T05
2021-09-17 10:35:38 C 23 40 43.99 -08 40 53.3 V T05
2021-09-17 10:44:19 C 23 40 44.25 -08 40 57.8 V T05
2021-09-23 11:53:09 C 23 45 48.46 -09 44 17.1 V T08
2021-09-23 12:00:30 C 23 45 48.65 -09 44 20.0 V T08
2021-09-23 12:05:49 C 23 45 48.80 -09 44 21.7 V T08
2021-09-23 12:22:31 C 23 45 49.22 -09 44 27.4 V T08
2021-09-24 10:50:21 C 23 46 32.12 -09 52 10.3 V T05
2021-09-24 10:55:38 C 23 46 32.24 -09 52 12.0 V T05
2021-09-24 11:03:00 C 23 46 32.43 -09 52 14.5 V T05
2021-09-24 11:51:00 C 23 46 33.60 -09 52 29.9 V T05
2021-09-26 05:09:01 C 23 47 49.59 -10 05 19.4 V V93
2021-09-26 05:57:57 C 23 47 50.76 -10 05 33.7 V V93
2021-09-26 06:43:54 C 23 47 51.86 -10 05 47.4 V V93
2021-09-27 10:09:54 C 23 48 40.28 -10 13 06.6 V T08
2021-09-27 10:10:33 C 23 48 40.31 -10 13 06.3 V T08
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)