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154594 (2003 OB)
Classification: Main-belt Asteroid          SPK-ID: 2154594
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471108956334043 1.1492e-07  
a 3.090612596763865 3.8377e-08 au
q 2.635949809598051 3.5352e-07 au
i 18.25716084240497 1.151e-05 deg
node 62.62004571493531 2.7736e-05 deg
peri 160.2869162617382 3.9108e-05 deg
M 171.9217465657643 2.6196e-05 deg
tp 2456452.750429696009
(2013-Jun-09.25042970)
0.00014133 JED
period 1984.564792557661
5.43
3.6964e-05
1.012e-07
d
yr
n .1813999731074743 3.3787e-09 deg/d
Q 3.545275383929679 4.4023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5436 days (14.88 yr)  
   first obs. used      2000-11-26  
   last obs. used      2015-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .78053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 20:40:40  

Additional Information
 Earth MOID = 1.63141 au 
 Jupiter MOID = 1.47366 au 
 T_jup = 3.131 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO268116  

154594 (2003 OB)          Discovered 2003-Jul-18 by McNaught, R. H. at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2003 OB = 2002 LH48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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