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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09454360506582458 6.2631e-08  
a 3.132427157482936 3.1983e-08 AU
q 2.836276201408406 2.0317e-07 AU
i 6.667160487972507 7.0351e-06 deg
node 120.4764095038539 5.5052e-05 deg
peri 163.49406547812 6.9207e-05 deg
M 304.6339828114456 4.6428e-05 deg
tp 2457111.930168076295
(2015-Mar-30.43016808)
0.00026315 JED
period 2024.976081007381
5.54
3.1013e-05
8.491e-08
d
yr
n .1777798776867073 2.7228e-09 deg/d
Q 3.428578113557466 3.5007e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1275  
   data-arc span      22211 days (60.81 yr)  
   first obs. used      1953-06-14  
   last obs. used      2014-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:48:26  

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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