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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05398813117578723 5.0946e-08  
a 2.83941788884101 3.0044e-08 AU
q 2.686123023395385 1.429e-07 AU
i 2.98325691534786 6.2679e-06 deg
node 65.46171463363591 0.00011967 deg
peri 234.677234646568 0.00014032 deg
M 93.83796530061089 7.0854e-05 deg
tp 2456344.968430922649
(2013-Feb-21.46843092)
0.00034572 JED
period 1747.601456857025
4.78
2.7737e-05
7.594e-08
d
yr
n .2059966238798188 3.2695e-09 deg/d
Q 2.992712754286635 3.1666e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      13946 days (38.18 yr)  
   first obs. used      1975-11-02  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51048  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:13:33  

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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