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266575 (2008 HT5)
Classification: Main-belt Asteroid          SPK-ID: 2266575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05646632577100704 8.9283e-08  
a 2.317878866916856 1.9709e-08 au
q 2.186996763719796 2.1057e-07 au
i 2.16626210156182 7.3834e-06 deg
node 117.2903638605587 0.00025448 deg
peri 108.7343127217819 0.00026518 deg
M 135.9738297906883 7.6003e-05 deg
tp 2458513.658760141678
(2019-Jan-30.15876014)
0.00027129 TDB
period 1288.945428828381
3.53
1.644e-05
4.501e-08
d
yr
n .2792980928038443 3.5623e-09 deg/d
Q 2.448760970113915 2.0822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1995-10-01  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58136  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:45:08  

Additional Information
 Earth MOID = 1.1782 au 
 Jupiter MOID = 2.5212 au 
 T_jup = 3.577 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO191438  

266575 (2008 HT5)          Discovered 2008-Apr-24 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 HT5 = 2004 BF145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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