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
2003-05-02 06:32:38 C 13 23 52.46 +01 08 01.9 19.4 c 704
2003-05-02 06:49:35 C 13 23 51.57 +01 08 09.2 19.7 c 704
2003-05-02 07:06:29 C 13 23 50.75 +01 08 16.2 19.3 c 704
2003-05-02 07:23:29 C 13 23 49.90 +01 08 23.6 19.4 c 704
2003-05-03 23:54:53 C 13 21 52.92 +01 25 43.6 c 561
2003-05-04 00:01:49 C 13 21 52.59 +01 25 46.0 c 561
2003-05-04 00:07:30 C 13 21 52.27 +01 25 48.6 c 561
2003-05-05 00:13:34 C 13 20 43.73 +01 35 50.8 c 561
2003-05-05 00:19:54 C 13 20 43.44 +01 35 53.3 c 561
2003-05-05 00:25:24 C 13 20 43.20 +01 35 55.6 c 561
2003-06-08 04:34:45 C 12 59 16.41 +04 16 35.2 c 448
2003-06-08 04:50:09 C 12 59 16.44 +04 16 33.4 c 448
2003-06-08 05:05:57 C 12 59 16.39 +04 16 32.1 c 448
2003-08-19 09:39:11 C 14 45 10.56 -08 13 18.9 r 413
2003-08-19 09:47:07 C 14 45 11.49 -08 13 24.8 r 413
2003-09-05 09:57:03 C 15 39 00.52 -13 07 52.9 r 413
2003-09-05 10:06:23 C 15 39 01.86 -13 07 59.2 r 413
2003-09-07 10:09:28 C 15 46 09.78 -13 42 30.5 r 413
2003-10-19 02:02:11 C 18 48 24.23 -21 40 05.1 r 448
2003-10-19 02:11:31 C 18 48 26.06 -21 40 05.8 r 448
2003-10-19 02:47:08 C 18 48 33.06 -21 40 07.6 r 448
2003-10-19 09:01:49 C 18 49 48.79 -21 40 26.2 c 474
2003-10-19 09:03:47 C 18 49 49.24 -21 40 25.2 c 474
2003-10-19 09:06:28 C 18 49 49.79 -21 40 26.3 c 474
2003-10-19 09:13:19 C 18 49 51.17 -21 40 27.7 c 474
2003-10-19 09:15:08 C 18 49 51.53 -21 40 27.4 c 474
2007-03-10 07:02:14 C 11 06 50.80 +06 06 20.9 o 291
2007-03-10 07:10:12 C 11 06 50.47 +06 06 24.5 o 291
2007-03-10 07:19:14 C 11 06 49.98 +06 06 27.7 o 291
2008-12-03 07:42:55 C 05 10 37.52 +13 17 49.0 r G96
2008-12-03 07:51:01 C 05 10 37.09 +13 17 48.6 r G96
2008-12-03 07:59:08 C 05 10 36.66 +13 17 47.9 r G96
2008-12-03 08:07:22 C 05 10 36.26 +13 17 47.6 r G96
2009-01-01 07:51:09 C 04 40 50.26 +13 11 52.7 r G96
2009-01-01 07:55:26 C 04 40 50.19 +13 11 52.2 r G96
2009-01-01 07:59:53 C 04 40 50.05 +13 11 52.9 r G96
2009-01-01 08:04:11 C 04 40 49.90 +13 11 53.3 r G96
2012-02-19 11:14:57 C 15 10 48.60 -12 47 15.1 o 291
2012-02-19 11:22:02 C 15 10 48.99 -12 47 15.7 o 291
2012-02-19 11:29:03 C 15 10 49.39 -12 47 16.2 o 291
2012-04-07 05:05:03 C 16 05 45.95 -10 41 51.6 o 807
2012-04-07 05:17:04 C 16 05 46.33 -10 41 48.1 o 807
2012-04-07 05:28:53 C 16 05 46.70 -10 41 44.5 o 807
2012-04-07 09:51:30 C 16 05 55.01 -10 40 32.2 u H21
2012-04-07 09:56:43 C 16 05 55.18 -10 40 31.1 u H21
2012-04-07 10:01:56 C 16 05 55.33 -10 40 29.9 u H21
2012-04-17 09:50:07 C 16 12 49.93 -09 13 03.5 o 691
2012-04-17 10:15:41 C 16 12 50.45 -09 12 52.6 o 691
2012-04-17 10:41:16 C 16 12 50.99 -09 12 42.3 o 691
2012-04-21 11:49:50 C 16 14 58.453 -08 30 04.34 L F51
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)