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5480 (1989 YK8)
Classification: Main-belt Asteroid          SPK-ID: 2005480
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09467635927423824 5.9254e-08  
a 3.13307585512569 2.9651e-08 AU
q 2.836447639832369 1.9715e-07 AU
i 6.667222849074827 5.9691e-06 deg
node 120.4751900677394 5.1773e-05 deg
peri 163.4100854367545 6.3602e-05 deg
M 340.2678532968133 3.9796e-05 deg
tp 2457111.526494133945
(2015-Mar-30.02649413)
0.00022437 JED
period 2025.605145220472
5.55
2.8755e-05
7.873e-08
d
yr
n .1777246670455197 2.5229e-09 deg/d
Q 3.429704070419012 3.2458e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      22317 days (61.10 yr)  
   first obs. used      1953-06-14  
   last obs. used      2014-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52859  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:06:02  

Additional Information
 Earth MOID = 1.82214 AU 
 T_jup = 3.195 
[ 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 11.2 mag n/a MPO263397  

5480 (1989 YK8)          Discovered 1989-Dec-23 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 YK8 = 1976 OT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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