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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09334881712800333 4.8564e-08  
a 2.744489247271108 2.1982e-08 AU
q 2.488294422417826 1.3463e-07 AU
i 4.975354677286051 7.8257e-06 deg
node 21.41613208337262 6.4476e-05 deg
peri 66.92003091983 7.8542e-05 deg
M 109.0567645480148 4.3939e-05 deg
tp 2456497.415617462113
(2013-Jul-23.91561746)
0.00020238 JED
period 1660.698247048226
4.55
1.9952e-05
5.463e-08
d
yr
n .2167762871068688 2.6045e-09 deg/d
Q 3.00068407212439 2.4034e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      9401 days (25.74 yr)  
   first obs. used      1989-09-25  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:02:07  

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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