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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388294623231776 6.6625e-08  
a 2.236008985479152 1.3555e-08 AU
q 1.925585060275287 1.5159e-07 AU
i 6.605851461888435 5.5513e-06 deg
node 110.2145449836788 6.6008e-05 deg
peri 313.5082096217272 7.1255e-05 deg
M 145.9555191405537 2.5379e-05 deg
tp 2456305.361422362597
(2013-Jan-12.86142236)
8.4878e-05 JED
period 1221.261717262041
3.34
1.1105e-05
3.04e-08
d
yr
n .2947771103536167 2.6805e-09 deg/d
Q 2.546432910683016 1.5437e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      11570 days (31.68 yr)  
   first obs. used      1982-10-22  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58465  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:33:21  

Additional Information
 Earth MOID = .945111 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 15.1 mag n/a MPO257193  

48440 (1989 YO2)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring (413)
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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