2005 HB4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2282278000
Semi-major axis (a)1.3550130000 AU
Inclination (i)2.52707000°
Long. of Asc. Node (Ω)83.80450000°
Arg. of Perihelion (ω)153.32786000°
Mean Anomaly (M)1.47390000°
Mean Motion (n)0.6248688700°/day
Perihelion dist (q)1.04576140 AU
Aphelion dist (Q)1.66426460 AU
Orbital Period1.57730320 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.610″
Uncertainty5
Orbit TypeAmor
MOID0.036695 AU
Observations Used71
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2005-06-18
Observations (72)
Date Type RA Dec Mag Band Observatory
2005-04-02 08:46:51 C 13 01 17.196 +19 07 13.69 645
2005-04-02 08:48:03 C 13 01 17.218 +19 07 14.38 645
2005-04-02 08:51:38 C 13 01 17.201 +19 07 13.66 645
2005-04-30 07:10:00 C 13 59 49.02 +23 04 01.7 r 703
2005-04-30 07:23:19 C 13 59 50.67 +23 03 56.8 r 703
2005-04-30 07:36:36 C 13 59 52.47 +23 03 50.8 r 703
2005-04-30 07:49:59 C 13 59 54.09 +23 03 45.3 r 703
2005-04-30 20:20:19 C 14 02 09.16 +22 58 20.7 r 118
2005-04-30 20:29:38 C 14 02 09.31 +22 58 18.1 c A50
2005-04-30 20:34:45 C 14 02 09.97 +22 58 14.8 c A50
2005-04-30 20:36:36 C 14 02 11.62 +22 58 16.3 r 118
2005-04-30 20:39:52 C 14 02 10.74 +22 58 13.9 c A50
2005-04-30 20:44:57 C 14 02 11.50 +22 58 11.3 c A50
2005-04-30 20:50:03 C 14 02 12.17 +22 58 10.5 c A50
2005-05-01 00:49:49 C 14 02 50.66 +22 56 53.0 r J87
2005-05-01 00:54:00 C 14 02 51.24 +22 56 50.7 r J87
2005-05-01 00:58:10 C 14 02 51.81 +22 56 48.3 r J87
2005-05-01 07:21:12 C 14 04 00.47 +22 54 25.8 r 448
2005-05-01 07:47:22 C 14 04 04.19 +22 54 12.0 r 448
2005-05-01 08:14:01 C 14 04 07.93 +22 53 59.2 r 448
2005-05-01 08:45:38 C 14 04 13.09 +22 53 43.9 c 854
2005-05-01 08:49:05 C 14 04 13.58 +22 53 42.2 c 854
2005-05-01 08:52:31 C 14 04 14.10 +22 53 40.5 c 854
2005-05-01 08:59:26 C 14 04 15.12 +22 53 36.8 c 854
2005-05-01 09:02:52 C 14 04 15.58 +22 53 34.5 c 854
2005-05-01 14:28:11 C 14 05 16.93 +22 53 37.3 r 413
2005-05-01 14:35:11 C 14 05 17.92 +22 53 33.5 r 413
2005-05-03 05:27:04 C 14 12 42.30 +22 29 23.3 r 649
2005-05-03 05:31:20 C 14 12 42.96 +22 29 20.3 r 649
2005-05-03 05:35:36 C 14 12 43.64 +22 29 17.3 r 649
2005-05-03 11:03:27 C 14 13 44.94 +22 26 30.2 o F65
2005-05-03 11:04:48 C 14 13 45.16 +22 26 29.2 o F65
2005-05-03 11:06:07 C 14 13 45.36 +22 26 28.2 o F65
2005-05-10 05:05:28 C 14 52 01.52 +19 25 53.0 r 448
2005-05-10 05:31:35 C 14 52 07.46 +19 25 12.7 r 448
2005-05-10 05:57:11 C 14 52 13.27 +19 24 32.7 r 448
2005-05-10 07:40:03 C 14 52 34.61 +19 21 20.5 r 649
2005-05-10 07:42:37 C 14 52 35.22 +19 21 15.9 r 649
2005-05-10 07:45:10 C 14 52 35.83 +19 21 11.6 r 649
2005-05-10 07:47:43 C 14 52 36.40 +19 21 07.2 r 649
2005-05-10 09:27:57 C 14 53 02.04 +19 18 36.2 r 703
2005-05-10 09:37:11 C 14 53 04.21 +19 18 20.6 r 703
2005-05-10 09:46:29 C 14 53 06.48 +19 18 02.8 r 703
2005-05-10 09:55:48 C 14 53 08.66 +19 17 46.4 r 703
2005-05-11 07:24:37 C 14 59 16.69 +18 40 26.9 18.8 c 704
2005-05-11 07:44:40 C 14 59 21.51 +18 39 49.8 19.2 c 704
2005-05-11 08:08:54 C 14 59 27.29 +18 39 03.4 18.8 c 704
2005-05-11 08:26:08 C 14 59 31.47 +18 38 30.8 19.0 c 704
2005-05-11 08:41:45 C 14 59 35.23 +18 38 00.7 19.4 c 704
2005-05-14 05:33:33 C 15 20 35.92 +16 12 55.4 18.7 c 704
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-05-12 05:00:00 26592.1547 2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)