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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09454363725853435 5.926e-08  
a 3.132427151564814 2.9647e-08 AU
q 2.836276095208487 1.9711e-07 AU
i 6.667156199172029 5.9761e-06 deg
node 120.4764659097457 5.1781e-05 deg
peri 163.4940073838289 6.3658e-05 deg
M 304.6339821038234 3.9761e-05 deg
tp 2457111.930171174041
(2015-Mar-30.43017117)
0.00022489 JED
period 2024.976075268673
5.54
2.8748e-05
7.871e-08
d
yr
n .1777798781905289 2.5239e-09 deg/d
Q 3.428578207921142 3.245e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      22296 days (61.04 yr)  
   first obs. used      1953-06-14  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53273  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:12:05  

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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