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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363225680492918 5.2823e-08  
a 3.201585747809528 3.0048e-08 AU
q 2.765137356838121 1.6906e-07 AU
i 2.042361594674982 5.0499e-06 deg
node 133.0247432365835 0.00014573 deg
peri 117.6172118611551 0.00014712 deg
M 25.8467955666815 1.8683e-05 deg
tp 2456850.272188375018
(2014-Jul-11.77218837)
0.00010883 JED
period 2092.406853509888
5.73
2.9457e-05
8.065e-08
d
yr
n .1720506694938995 2.4221e-09 deg/d
Q 3.638034138780936 3.4144e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1155  
   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      .50808  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:54:53  

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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