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JPL Small-Body Database Browser
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58116 (1981 EH7)
Classification: Main-belt Asteroid          SPK-ID: 2058116
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09152969306659257 4.4638e-08  
a 2.675243738070126 1.7377e-08 au
q 2.430379499846244 1.2239e-07 au
i 14.348339025858 6.5086e-06 deg
node 202.7279149445003 1.5644e-05 deg
peri 241.0431794086599 3.6291e-05 deg
M 340.4344982094225 3.2259e-05 deg
tp 2458687.362425254103
(2019-Jul-22.86242525)		 0.00014336 TDB
period 1598.245392639833
4.38		 1.5572e-05
4.263e-08		 d
yr
n .2252470125412878 2.1947e-09 deg/d
Q 2.920107976294008 1.8968e-08 au
   Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      13822 days (37.84 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:10  

Additional Information
 Earth MOID = 1.47743 au 
 Jupiter MOID = 2.37131 au 
 T_jup = 3.329 
[ 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 15.5   n/a MPO313840  

58116 (1981 EH7)          Discovered 1981-Mar-07 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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