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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383766912583188 5.3375e-08  
a 2.236109900581043 1.2988e-08 au
q 1.92668441124867 1.2491e-07 au
i 6.605483972421667 5.0726e-06 deg
node 110.2097105117346 5.0303e-05 deg
peri 313.5202741154114 5.5852e-05 deg
M 21.70578643591049 2.475e-05 deg
tp 2457526.860442782870
(2016-May-18.36044278)
8.3654e-05 JED
period 1221.344394797312
3.34
1.0641e-05
2.913e-08
d
yr
n .2947571557486403 2.568e-09 deg/d
Q 2.545535389913416 1.4785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   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      .56183  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 22:59:55  

Additional Information
 Earth MOID = .945546 au 
 Jupiter MOID = 2.73845 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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