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9209 (1994 UK1)
Classification: Main-belt Asteroid          SPK-ID: 2009209
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2858925952558615 5.7016e-08  
a 2.755979125560286 2.5246e-08 AU
q 1.968065100882876 1.5571e-07 AU
i 5.482714210629868 8.3e-06 deg
node 8.733331025724654 5.8431e-05 deg
peri 295.0184310876476 6.0788e-05 deg
M 167.9120518258466 1.8884e-05 deg
tp 2456021.043863725950
(2012-Apr-03.54386373)
8.6074e-05 JED
period 1671.137991629644
4.58
2.2962e-05
6.287e-08
d
yr
n .2154220667611887 2.96e-09 deg/d
Q 3.543893150237696 3.2463e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      10295 days (28.19 yr)  
   first obs. used      1985-10-22  
   last obs. used      2013-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54849  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 00:33:51  

Additional Information
 Earth MOID = .959871 AU 
 T_jup = 3.276 
[ 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 13.2 mag n/a MPO279613  

9209 (1994 UK1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UK1 = 1985 UE1 = 1997 EY17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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