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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2858926637845407 5.7147e-08  
a 2.755979147971361 2.5349e-08 AU
q 1.96806492802318 1.5422e-07 AU
i 5.482701950805607 7.9822e-06 deg
node 8.733310339820248 5.7155e-05 deg
peri 295.0184472014246 5.9301e-05 deg
M 167.9120452484452 1.7967e-05 deg
tp 2456021.043884751002
(2012-Apr-03.54388475)
8.1365e-05 JED
period 1671.138012013688
4.58
2.3056e-05
6.312e-08
d
yr
n .2154220641335345 2.9721e-09 deg/d
Q 3.543893367919543 3.2596e-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      .53009  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:28:42  

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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