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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .094543600053333 6.4587e-08  
a 3.132427153563454 3.461e-08 AU
q 2.836276213560751 2.0659e-07 AU
i 6.667157617396131 7.4029e-06 deg
node 120.4764068788113 5.5091e-05 deg
peri 163.4940642293865 7.0832e-05 deg
M 304.6339879734747 5.0587e-05 deg
tp 2457111.930138455704
(2015-Mar-30.43013846)
0.00028716 JED
period 2024.976077206722
5.54
3.3561e-05
9.189e-08
d
yr
n .1777798780203807 2.9464e-09 deg/d
Q 3.428578093566158 3.7882e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      22187 days (60.74 yr)  
   first obs. used      1953-06-14  
   last obs. used      2014-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55997  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:46:46  

Additional Information
 Earth MOID = 1.82005 AU 
 T_jup = 3.196 
[ 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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