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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0930637138140426 4.8545e-08  
a 2.745130058654692 2.1873e-08 au
q 2.489658060493726 1.3455e-07 au
i 4.974857799689608 7.8195e-06 deg
node 21.41011323229954 6.446e-05 deg
peri 66.94354386475078 7.8592e-05 deg
M 195.745930681241 4.4146e-05 deg
tp 2458158.477740307552
(2018-Feb-08.97774031)
0.00020477 JED
period 1661.279916183816
4.55
1.9856e-05
5.436e-08
d
yr
n .21670038654712 2.59e-09 deg/d
Q 3.000602056815659 2.3909e-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 = 1.51062 au 
 Jupiter MOID = 2.17612 au 
 T_jup = 3.336 
[ 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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