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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436171027087378 5.4555e-08  
a 2.264485048309432 1.1037e-08 AU
q 1.939266266543975 1.2212e-07 AU
i 1.679258736882997 5.7585e-06 deg
node 209.9531364081535 0.00015934 deg
peri 175.5552719501428 0.00016023 deg
M 21.07474297309817 1.7005e-05 deg
tp 2456927.636102321147
(2014-Sep-27.13610232)
5.8747e-05 JED
period 1244.665389175597
3.41
9.0996e-06
2.491e-08
d
yr
n .2892343622075373 2.1145e-09 deg/d
Q 2.589703830074889 1.2622e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      15089 days (41.31 yr)  
   first obs. used      1973-09-26  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48949  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:22:54  

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 14.4 mag n/a MPO319190  

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