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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437168758085457 5.4939e-08  
a 2.264760897274411 1.4333e-08 AU
q 1.939276536664774 1.2238e-07 AU
i 1.679142691676363 5.8318e-06 deg
node 209.9541754009108 0.00018564 deg
peri 175.5305157108258 0.00018673 deg
M 323.2525233282098 2.4993e-05 deg
tp 2456927.574083466619
(2014-Sep-27.07408347)
8.7038e-05 JED
period 1244.892825065757
3.41
1.1818e-05
3.236e-08
d
yr
n .2891815204903156 2.7452e-09 deg/d
Q 2.590245257884047 1.6393e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      932  
   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      .50815  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:14:34  

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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