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148027 (1998 EH9)
Classification: Main-belt Asteroid          SPK-ID: 2148027
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2587290491608615 7.9275e-08  
a 2.794252914093383 4.3086e-08 au
q 2.071298514515036 2.2583e-07 au
i 32.84434443658417 1.2004e-05 deg
node 139.0352118569568 1.3164e-05 deg
peri 121.6499394039506 2.9894e-05 deg
M 290.3368964459714 3.2263e-05 deg
tp 2457930.639366548055
(2017-Jun-26.13936655)
0.00015926 JED
period 1706.070586779462
4.67
3.946e-05
1.08e-07
d
yr
n .2110111989443354 4.8805e-09 deg/d
Q 3.51720731367173 5.4234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      1998-03-01  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59945  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:51:59  

Additional Information
 Earth MOID = 1.17725 au 
 Jupiter MOID = 2.15225 au 
 T_jup = 3.052 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO366837  

148027 (1998 EH9)          Discovered 1998-Mar-08 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20070202/Numbers.arcLast Updated: 2007-02-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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