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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363225679688146 5.2823e-08  
a 3.201585747911229 3.0056e-08 AU
q 2.765137357183612 1.6906e-07 AU
i 2.042361520491681 5.0526e-06 deg
node 133.0247424370108 0.00014574 deg
peri 117.6172127436508 0.00014713 deg
M 25.84679544744975 1.8697e-05 deg
tp 2456850.272189060864
(2014-Jul-11.77218906)
0.00010891 JED
period 2092.406853609588
5.73
2.9465e-05
8.067e-08
d
yr
n .1720506694857016 2.4228e-09 deg/d
Q 3.638034138638845 3.4153e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1144  
   data-arc span      12875 days (35.25 yr)  
   first obs. used      1979-04-25  
   last obs. used      2014-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51022  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:14:30  

Additional Information
 Earth MOID = 1.75332 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 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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