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48440 (1989 YO2)
Classification: Main-belt Asteroid          SPK-ID: 2048440
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384848270908142 5.3372e-08  
a 2.236374982014004 1.302e-08 au
q 1.926670979319572 1.2494e-07 au
i 6.605358018124984 5.0887e-06 deg
node 110.2121359592487 5.0623e-05 deg
peri 313.5104565740824 5.6282e-05 deg
M 322.7670711476395 2.4762e-05 deg
tp 2457526.839764898638
(2016-May-18.33976490)
8.4553e-05 JED
period 1221.561579102749
3.34
1.0668e-05
2.921e-08
d
yr
n .2947047501808497 2.5736e-09 deg/d
Q 2.546078984708436 1.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      12076 days (33.06 yr)  
   first obs. used      1982-10-22  
   last obs. used      2015-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56271  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 17:37:03  

Additional Information
 Earth MOID = .946301 au 
 Jupiter MOID = 2.73948 au 
 T_jup = 3.617 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO299290  

48440 (1989 YO2)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 YO2 = 1982 UQ9 = 1999 XY93 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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