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8365 (1990 RR5)
Classification: Main-belt Asteroid          SPK-ID: 2008365
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436171036671428 5.4898e-08  
a 2.264485048027514 1.4073e-08 AU
q 1.939266264132251 1.2234e-07 AU
i 1.679260222463792 5.831e-06 deg
node 209.9529857175012 0.00018474 deg
peri 175.5554220386204 0.00018581 deg
M 21.0747438062724 2.4795e-05 deg
tp 2456927.636099454135
(2014-Sep-27.13609945)
8.5391e-05 JED
period 1244.665388943164
3.41
1.1603e-05
3.177e-08
d
yr
n .28923436226155 2.6962e-09 deg/d
Q 2.589703831922776 1.6094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      14955 days (40.94 yr)  
   first obs. used      1973-09-26  
   last obs. used      2014-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50761  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:53:31  

Additional Information
 Earth MOID = .943018 AU 
 T_jup = 3.603 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO263424  

Alternate Designations
 1990 RR5 = 1973 SH4 = 1973 UU = 1997 SS 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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