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
2021-11-02 08:52:21 C 00 13 49.63 -09 15 31.4 V T08
2021-11-02 09:00:58 C 00 13 49.92 -09 15 28.9 V T08
2021-11-02 09:15:02 C 00 13 50.43 -09 15 25.3 V T08
2021-11-03 04:56:59 C 00 14 32.34 -09 09 39.4 U I41
2021-11-03 06:05:16 C 00 14 34.55 -09 09 19.0 U I41
2021-11-04 04:51:47 C 00 15 23.30 -09 02 27.2 V 703
2021-11-04 04:59:31 C 00 15 23.65 -09 02 23.9 V 703
2021-11-04 05:07:14 C 00 15 23.96 -09 02 21.9 V 703
2021-11-04 05:14:58 C 00 15 24.15 -09 02 19.8 V 703
2021-11-04 08:37:34 C 00 15 31.33 -09 01 15.4 V T05
2021-11-04 08:43:01 C 00 15 31.61 -09 01 13.8 V T05
2021-11-04 08:55:34 C 00 15 32.01 -09 01 09.6 V T05
2021-11-04 09:13:23 C 00 15 32.56 -09 01 04.5 V T05
2021-11-04 12:17:45 C 00 15 39.754 -08 59 59.46 V P07
2021-11-04 12:23:00 C 00 15 39.912 -08 59 57.55 V P07
2021-11-04 13:17:43 C 00 15 41.746 -08 59 41.32 V P07
2021-11-04 14:05:53 C 00 15 43.291 -08 59 26.27 V P07
2021-11-04 14:07:42 C 00 15 43.385 -08 59 25.55 V P07
2021-11-05 04:36:23 C 00 16 15.01 -08 55 06.6 U I41
2021-11-05 05:29:29 C 00 16 16.78 -08 54 50.1 U I41
2021-11-05 05:36:21 C 00 16 17.01 -08 54 47.8 U I41
2021-11-06 07:38:33 C 00 17 14.32 -08 46 31.2 V T08
2021-11-06 07:43:12 C 00 17 14.45 -08 46 29.6 V T08
2021-11-06 08:28:40 C 00 17 16.04 -08 46 15.0 V T08
2021-11-06 08:36:39 C 00 17 16.33 -08 46 12.7 V T08
2021-11-08 07:41:10 C 00 19 02.09 -08 30 48.5 V T05
2021-11-08 07:45:46 C 00 19 02.26 -08 30 46.9 V T05
2021-11-08 07:55:01 C 00 19 02.54 -08 30 42.7 V T05
2021-11-08 08:46:13 C 00 19 04.35 -08 30 27.0 V T05
2021-11-11 03:08:16 C 00 21 38.24 -08 07 44.9 V 703
2021-11-11 03:24:02 C 00 21 38.80 -08 07 39.5 V 703
2021-11-11 03:31:54 C 00 21 39.16 -08 07 36.3 V 703
2021-11-11 04:01:27 C 00 21 40.24 -08 07 25.9 V G96
2021-11-11 04:10:21 C 00 21 40.56 -08 07 22.9 V G96
2021-11-11 04:17:48 C 00 21 40.84 -08 07 20.2 V G96
2021-11-11 04:25:14 C 00 21 41.11 -08 07 17.7 V G96
2021-11-24 05:11:06 C 00 34 50.306 -06 08 11.20 U F51
2021-11-24 05:45:30 C 00 34 51.768 -06 07 57.31 U F51
2021-11-24 06:02:41 C 00 34 52.500 -06 07 50.38 U F51
2021-11-27 05:34:56 C 00 38 06.792 -05 38 33.61 U F51
2021-11-27 05:52:46 C 00 38 07.574 -05 38 26.35 U F51
2021-11-27 06:21:31 C 00 38 08.824 -05 38 14.39 U F51
2021-11-27 06:39:22 C 00 38 09.605 -05 38 07.12 U F51
2021-12-08 22:01:23 S 00 51 32.76 -03 39 07.2 L C51
2021-12-09 01:09:42 S 00 51 42.24 -03 37 45.3 L C51
2021-12-09 07:25:58 S 00 52 00.93 -03 34 58.3 L C51
2021-12-09 10:34:06 S 00 52 10.49 -03 33 39.1 L C51
2021-12-09 13:42:15 S 00 52 19.77 -03 32 16.2 L C51
2021-12-09 15:16:30 S 00 52 24.46 -03 31 35.8 L C51
2021-12-09 16:50:33 S 00 52 29.28 -03 30 53.4 L C51
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)