IAA RAS IAA Minor Planet Database

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
2021-08-15 20:41:29 C 22 36 04.11 +03 51 37.8 – V C40
2021-08-15 20:42:54 C 22 36 04.31 +03 51 35.9 – V C40
2021-08-15 20:44:18 C 22 36 04.51 +03 51 34.2 – V C40
2021-08-15 20:45:42 C 22 36 04.71 +03 51 32.4 – V C40
2021-08-15 20:47:06 C 22 36 04.88 +03 51 30.7 – V C40
2021-08-15 20:48:31 C 22 36 05.08 +03 51 29.0 – V C40
2021-08-15 21:12:10 C 22 36 07.51 +03 50 52.8 – q 168
2021-08-15 22:10:28 C 22 36 15.51 +03 49 39.8 – q 168
2021-08-15 22:36:32 C 22 36 19.97 +03 49 12.6 – V 089
2021-08-15 22:39:50 C 22 36 20.40 +03 49 08.9 – V 089
2021-08-15 22:49:44 C 22 36 21.73 +03 48 56.2 – V 089
2021-08-15 22:53:02 C 22 36 22.19 +03 48 52.3 – V 089
2021-08-15 22:56:20 C 22 36 22.62 +03 48 48.0 – V 089
2021-08-15 22:59:38 C 22 36 23.07 +03 48 43.7 – V 089
2021-08-15 23:02:56 C 22 36 23.52 +03 48 39.6 – V 089
2021-08-15 23:06:14 C 22 36 23.96 +03 48 35.2 – V 089
2021-08-16 10:57:56 C 22 38 06.55 +03 34 03.3 – V T05
2021-08-16 11:11:11 C 22 38 08.27 +03 33 46.7 – V T05
2021-08-16 11:34:10 C 22 38 11.24 +03 33 18.0 – V T05
2021-08-16 11:42:09 C 22 38 12.27 +03 33 07.9 – V T05
2021-08-16 18:38:44 C 22 39 13.37 +03 24 08.1 – V C40
2021-08-16 18:45:32 C 22 39 14.28 +03 23 59.4 – V C40
2021-08-16 18:48:16 C 22 39 14.64 +03 23 56.2 – V C40
2021-08-16 18:49:39 C 22 39 14.83 +03 23 54.4 – V C40
2021-08-16 18:51:01 C 22 39 15.01 +03 23 52.6 – V C40
2021-08-16 18:52:23 C 22 39 15.20 +03 23 51.1 – V C40
2021-08-16 18:55:07 C 22 39 15.57 +03 23 47.6 – V C40
2021-08-16 18:56:28 C 22 39 15.74 +03 23 45.9 – V C40
2021-08-16 18:57:49 C 22 39 15.93 +03 23 44.3 – V C40
2021-08-16 19:00:33 C 22 39 16.29 +03 23 40.8 – V C40
2021-08-16 19:01:56 C 22 39 16.49 +03 23 39.1 – V C40
2021-08-16 19:22:48 C 22 39 18.41 +03 23 06.8 – q 168
2021-08-16 19:48:55 C 22 39 22.77 +03 22 40.7 – V C40
2021-08-16 19:52:14 C 22 39 23.20 +03 22 36.7 – V C40
2021-08-16 19:53:36 C 22 39 23.39 +03 22 34.9 – V C40
2021-08-16 19:54:59 C 22 39 23.57 +03 22 33.3 – V C40
2021-08-16 19:56:21 C 22 39 23.76 +03 22 31.4 – V C40
2021-08-16 19:59:04 C 22 39 24.13 +03 22 28.0 – V C40
2021-08-16 20:00:25 C 22 39 24.30 +03 22 26.3 – V C40
2021-08-16 20:00:57 C 22 39 23.52 +03 22 19.1 – q 168
2021-08-16 20:01:47 C 22 39 24.48 +03 22 24.7 – V C40
2021-08-16 20:03:09 C 22 39 24.67 +03 22 23.0 – V C40
2021-08-16 20:05:53 C 22 39 25.03 +03 22 19.4 – V C40
2021-08-16 20:11:21 C 22 39 25.75 +03 22 12.7 – V C40
2021-08-16 20:12:42 C 22 39 25.94 +03 22 10.9 – V C40
2021-08-16 20:14:04 C 22 39 26.11 +03 22 09.3 – V C40
2021-08-16 20:15:26 C 22 39 26.29 +03 22 07.8 – V C40
2021-08-16 20:16:48 C 22 39 26.48 +03 22 06.1 – V C40
2021-08-16 20:18:10 C 22 39 26.65 +03 22 04.2 – V C40
2021-08-16 20:19:32 C 22 39 26.84 +03 22 02.5 – V C40
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)