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11907 Naranen (1992 ER8)
Classification: Main-belt Asteroid          SPK-ID: 2011907
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05398810410187468 5.3863e-08  
a 2.839417891508828 3.0473e-08 AU
q 2.686123102793324 1.5284e-07 AU
i 2.983256990159766 6.4785e-06 deg
node 65.46163964892003 0.0001245 deg
peri 234.6773703222354 0.00014549 deg
M 93.83790631738152 7.2961e-05 deg
tp 2456344.968716611695
(2013-Feb-21.46871661)
0.00035573 JED
period 1747.601459320003
4.78
2.8133e-05
7.702e-08
d
yr
n .205996623589498 3.3162e-09 deg/d
Q 2.992712680224332 3.2118e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      8926 days (24.44 yr)  
   first obs. used      1989-07-31  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 02:39:20  

Additional Information
 Earth MOID = 1.67106 AU 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO267754  

11907 Näränen           Discovered 1992 Mar. 2 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Jyri Näränen (b. 1979) is a Finnish astronomer who works on the surface composition and structure of Mercury and the moon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

Alternate Designations
 1992 ER8 = 1975 VL2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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