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
2005-05-14 05:46:52 C 15 20 39.49 +16 12 24.9 19.2 c 704
2005-05-14 06:00:47 C 15 20 43.24 +16 11 51.9 18.9 c 704
2005-05-14 06:15:35 C 15 20 47.16 +16 11 17.2 18.4 c 704
2005-05-14 06:29:14 C 15 20 50.84 +16 10 45.9 18.5 c 704
2005-05-14 23:28:24 C 15 26 19.39 +15 28 32.0 r 941
2005-05-14 23:28:50 C 15 26 19.50 +15 28 30.9 r 941
2005-05-14 23:29:42 C 15 26 19.71 +15 28 28.7 r 941
2005-05-14 23:30:08 C 15 26 19.83 +15 28 27.8 r 941
2005-05-14 23:31:00 C 15 26 20.06 +15 28 25.5 r 941
2005-05-22 23:03:55 C 16 34 37.16 +05 02 02.4 r J95
2005-05-22 23:13:09 C 16 34 40.21 +05 01 27.2 r J95
2005-05-28 02:30:09 C 17 19 46.42 -03 06 17.0 r 941
2005-05-28 02:30:50 C 17 19 46.61 -03 06 19.8 r 941
2005-05-28 02:31:31 C 17 19 46.83 -03 06 22.5 r 941
2005-05-28 02:32:12 C 17 19 47.02 -03 06 25.2 r 941
2005-05-28 02:32:53 C 17 19 47.24 -03 06 27.8 r 941
2005-05-31 23:15:26 C 17 51 08.96 -08 57 57.0 r A13
2005-05-31 23:19:45 C 17 51 10.12 -08 58 13.3 r A13
2005-06-15 10:45:12 C 19 11 35.57 -23 49 17.4 c 568
2005-06-18 07:10:23 C 19 21 05.88 -25 32 20.8 r G96
2005-06-18 07:13:46 C 19 21 06.18 -25 32 26.3 r G96
2005-06-18 07:17:13 C 19 21 06.45 -25 32 30.4 r G96
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)