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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436171007004719 5.4693e-08  
a 2.264485044601528 1.2982e-08 AU
q 1.939266267916278 1.2219e-07 AU
i 1.679260299635707 5.8263e-06 deg
node 209.9530119289149 0.00017917 deg
peri 175.555390905871 0.00018014 deg
M 21.07475090540082 2.2071e-05 deg
tp 2456927.636075074937
(2014-Sep-27.13607507)
7.6065e-05 JED
period 1244.665386118544
3.41
1.0703e-05
2.93e-08
d
yr
n .2892343629179328 2.4872e-09 deg/d
Q 2.589703821286779 1.4846e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      14979 days (41.01 yr)  
   first obs. used      1973-09-26  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50507  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:12:37  

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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