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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443491771649934 5.4195e-08  
a 2.264703015766405 9.8385e-09 au
q 1.937794998917446 1.2123e-07 au
i 1.681612562326559 5.3767e-06 deg
node 209.8679617764668 0.00013215 deg
peri 175.9004453230608 0.00013286 deg
M 194.2324590551878 1.4761e-05 deg
tp 2458173.708086780566
(2018-Feb-24.20808678)
5.2315e-05 JED
period 1244.845100945932
3.41
8.1119e-06
2.221e-08
d
yr
n .2891926069568362 1.8845e-09 deg/d
Q 2.591611032615365 1.1259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      15543 days (42.55 yr)  
   first obs. used      1973-09-26  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48597  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:02:08  

Additional Information
 Earth MOID = .940433 au 
 Jupiter MOID = 2.84981 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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