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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09650785319948553 3.4682e-08  
a 3.133239677837517 1.6951e-08 au
q 2.830857442969971 1.1131e-07 au
i 6.669001472681535 4.1223e-06 deg
node 120.4521246231937 3.3351e-05 deg
peri 163.0940533498784 3.9825e-05 deg
M 336.1126595139299 2.1962e-05 deg
tp 2459134.916985805243
(2020-Oct-12.41698581)
0.00012377 TDB
period 2025.764019988168
5.55
1.6439e-05
4.501e-08
d
yr
n .1777107286178884 1.4421e-09 deg/d
Q 3.435621912705064 1.8587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2365  
   data-arc span      24340 days (66.64 yr)  
   first obs. used      1953-06-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:39:07  

Additional Information
 Earth MOID = 1.81525 au 
 Jupiter MOID = 1.71446 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3   n/a MPO347568  
diameter diameter 15.104 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.213   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

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

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