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9288 (1981 EV46)
Classification: Main-belt Asteroid          SPK-ID: 2009288
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976061726561286 6.2618e-08  
a 2.180121276793177 1.2271e-08 AU
q 1.749315855359886 1.3364e-07 AU
i 1.237789524797958 7.0004e-06 deg
node 328.9322811636138 0.00032695 deg
peri 354.4270425317269 0.00032693 deg
M 337.442257990791 2.5287e-05 deg
tp 2456874.173708529703
(2014-Aug-04.67370853)
8.3005e-05 JED
period 1175.761964999223
3.22
9.9266e-06
2.718e-08
d
yr
n .3061844239877567 2.585e-09 deg/d
Q 2.610926698226469 1.4696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      21763 days (59.58 yr)  
   first obs. used      1953-10-31  
   last obs. used      2013-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61065  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:20:18  

Additional Information
 Earth MOID = .735899 AU 
 T_jup = 3.655 
[ 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 15.4 mag n/a MPO263432  

9288 (1981 EV46)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring (413)
Reference: 19981005/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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