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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386842403380466 6.6611e-08  
a 2.236295498194349 1.3556e-08 AU
q 1.926156555855872 1.5158e-07 AU
i 6.605847469736713 5.5472e-06 deg
node 110.2143528459655 6.5998e-05 deg
peri 313.5142811626679 7.125e-05 deg
M 204.8986869005309 2.5562e-05 deg
tp 2457526.765845084544
(2016-May-18.26584508)
8.8355e-05 JED
period 1221.496455732355
3.34
1.1107e-05
3.041e-08
d
yr
n .2947204621925489 2.6798e-09 deg/d
Q 2.546434440532826 1.5436e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      717  
   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      .58123  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:16:59  

Additional Information
 Earth MOID = .946263 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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