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8160 (1990 MG)
Classification: Main-belt Asteroid          SPK-ID: 2008160
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862890939632054 5.0592e-08  
a 2.190665561006831 1.1444e-08 AU
q 1.782568458470472 1.0944e-07 AU
i 3.609594089318591 4.7326e-06 deg
node 88.70794740843291 9.7458e-05 deg
peri 218.6748706537724 9.9551e-05 deg
M 191.5863708940677 2.3668e-05 deg
tp 2457554.535102828497
(2016-Jun-15.03510283)
8.0191e-05 JED
period 1184.302233002787
3.24
9.2804e-06
2.541e-08
d
yr
n .3039764596974738 2.382e-09 deg/d
Q 2.598762663543191 1.3576e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      21122 days (57.83 yr)  
   first obs. used      1957-04-28  
   last obs. used      2015-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:12:19  

Additional Information
 Earth MOID = .770431 AU 
 T_jup = 3.648 
[ 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 14.0 mag n/a MPO279601  

8160 (1990 MG)          Discovered 1990-Jun-21 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 MG = 1958 VN = 1979 BY2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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