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9404 (1994 UQ11)
Classification: Main-belt Asteroid          SPK-ID: 2009404
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09334881719320386 4.8563e-08  
a 2.744489247143973 2.1972e-08 AU
q 2.488294422123616 1.3462e-07 AU
i 4.975354564621293 7.8202e-06 deg
node 21.41613270031696 6.4456e-05 deg
peri 66.9200306877616 7.8501e-05 deg
M 109.0567642306644 4.3906e-05 deg
tp 2456497.415618961024
(2013-Jul-23.91561896)
0.00020222 JED
period 1660.698246932831
4.55
1.9943e-05
5.46e-08
d
yr
n .2167762871219317 2.6032e-09 deg/d
Q 3.000684072164329 2.4023e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      9454 days (25.88 yr)  
   first obs. used      1989-09-25  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48013  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:27:49  

Additional Information
 Earth MOID = 1.50944 AU 
 T_jup = 3.337 
[ 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 13.4 mag n/a MPO279615  

9404 (1994 UQ11)          Discovered 1994-Oct-26 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UQ11 = 1989 SS8 = 1992 GR4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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