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39563 (1992 RB)
Classification: Inner Main-belt Asteroid          SPK-ID: 2039563
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07812989706797493 6.013e-08  
a 1.931585981785572 1.0961e-08 AU
q 1.780671367850722 1.1519e-07 AU
i 25.28233184636851 7.3323e-06 deg
node 129.2113400788695 1.2227e-05 deg
peri 316.6326938596735 4.873e-05 deg
M 18.86323265173727 4.3789e-05 deg
tp 2456949.121299615839
(2014-Oct-18.62129962)
0.00011931 JED
period 980.5494360265103
2.68
8.3462e-06
2.285e-08
d
yr
n .3671411014816666 3.125e-09 deg/d
Q 2.082500595720422 1.1817e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      8266 days (22.63 yr)  
   first obs. used      1992-09-02  
   last obs. used      2015-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48497  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:23:27  

Additional Information
 Earth MOID = .824233 AU 
 T_jup = 3.792 
[ 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 15.8 mag n/a MPO324665  

39563 (1992 RB)          Discovered 1992-Sep-02 by McNaught, R. H. at Siding Spring
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 RB = 2000 QZ25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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