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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590212335983759 8.0381e-08  
a 2.793063468131104 4.3753e-08 au
q 2.069600723097227 2.2774e-07 au
i 32.85546310379324 1.2819e-05 deg
node 139.0372099106926 1.8874e-05 deg
peri 121.7435182881049 3.6954e-05 deg
M 248.0433929208355 3.2971e-05 deg
tp 2457930.733131759847
(2017-Jun-26.23313176)
0.00016514 JED
period 1704.981353164541
4.67
4.0062e-05
1.097e-07
d
yr
n .2111460042256883 4.9613e-09 deg/d
Q 3.516526213164981 5.5086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6175 days (16.91 yr)  
   first obs. used      1998-03-01  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63513  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 18:03:53  

Additional Information
 Earth MOID = 1.17396 au 
 Jupiter MOID = 2.15123 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 14.9 mag n/a MPO310171  

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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