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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437169052271448 5.8165e-08  
a 2.264760905598564 1.4545e-08 AU
q 1.939276477166513 1.2971e-07 AU
i 1.67914129254029 6.2068e-06 deg
node 209.9541556775287 0.00019451 deg
peri 175.5305537588458 0.0001957 deg
M 323.2525050907613 2.5464e-05 deg
tp 2456927.574147232959
(2014-Sep-27.07414723)
8.8678e-05 JED
period 1244.892831929182
3.41
1.1993e-05
3.284e-08
d
yr
n .2891815188959809 2.7858e-09 deg/d
Q 2.590245334030616 1.6635e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      14573 days (39.90 yr)  
   first obs. used      1973-09-26  
   last obs. used      2013-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Sep-23 22:50:42  

Additional Information
 Earth MOID = .941835 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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