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9330 (1990 EF7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2009330
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365633251932873 4.4132e-08  
a 3.201839283763747 2.8198e-08 au
q 2.764585464438476 1.3549e-07 au
i 2.042476697566281 4.7141e-06 deg
node 133.0256547215944 0.00012804 deg
peri 117.5950236075517 0.00012954 deg
M 94.65676202012149 1.7698e-05 deg
tp 2456850.266708666871
(2014-Jul-11.76670867)
0.00010404 JED
period 2092.655407310668
5.73
2.7645e-05
7.569e-08
d
yr
n .1720302342862299 2.2726e-09 deg/d
Q 3.639093103089018 3.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1352  
   data-arc span      13370 days (36.61 yr)  
   first obs. used      1979-04-25  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52348  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:10:14  

Additional Information
 Earth MOID = 1.75006 au 
 Jupiter MOID = 1.3938 au 
 T_jup = 3.178 
[ 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 13.0 mag n/a MPO347599  

9330 (1990 EF7)          Discovered 1990-Mar-03 by Debehogne, H. at La Silla
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 EF7 = 1979 HG3 = 1991 JV2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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