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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361626972104301 5.6853e-08  
a 3.201020540300251 4.0745e-08 AU
q 2.76516094970698 1.8697e-07 AU
i 2.042286278026701 6.8037e-06 deg
node 133.0268341204526 0.00015685 deg
peri 117.6300007711972 0.00015963 deg
M 351.4239370495571 3.5284e-05 deg
tp 2456850.332947761438
(2014-Jul-11.83294776)
0.0002055 JED
period 2091.852788136478
5.73
3.994e-05
1.093e-07
d
yr
n .1720962402525013 3.2859e-09 deg/d
Q 3.636880130893521 4.6293e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      12459 days (34.11 yr)  
   first obs. used      1979-04-25  
   last obs. used      2013-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54005  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:20:54  

Additional Information
 Earth MOID = 1.75169 AU 
 T_jup = 3.179 
[ 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 12.9 mag n/a MPO263433  

9330 (1990 EF7)          Discovered 1990-Mar-03 by Debehogne, H. at La Silla (809)
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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