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9773 (1993 MG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2009773
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3880659193386497 6.4901e-08  
a 2.67991985559795 9.5841e-09 AU
q 1.63993429308143 1.7611e-07 AU
i 14.69764363604475 7.8529e-06 deg
node 277.5238413454569 2.1791e-05 deg
peri 15.61362144261325 2.3761e-05 deg
M 312.3382154799131 5.6389e-06 deg
tp 2457212.652881399462
(2015-Jul-09.15288140)
2.5219e-05 JED
period 1602.437635788025
4.39
8.5961e-06
2.353e-08
d
yr
n .2246577289249476 1.2052e-09 deg/d
Q 3.71990541811447 1.3303e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1989-09-30  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:28:52  

Additional Information
 Earth MOID = .629454 AU 
 T_jup = 3.221 
[ 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 13.6 mag n/a MPO293506  

9773 (1993 MG1)          Discovered 1993-Jun-23 by Helin, E. F. at Palomar
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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