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137166 Netabahcall (1999 FS81)
Classification: Main-belt Asteroid          SPK-ID: 2137166
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07640274337568626 9.0693e-08  
a 3.100818332084072 4.7576e-08 AU
q 2.863907304803229 2.7928e-07 AU
i 11.09515872339671 1.4625e-05 deg
node 158.5671529877699 5.2157e-05 deg
peri 98.22917990090669 0.00012598 deg
M 266.5287031105923 0.00012036 deg
tp 2457518.331754757323
(2016-May-09.83175476)
0.00067134 JED
period 1994.402965577788
5.46
4.59e-05
1.257e-07
d
yr
n .1805051467599008 4.1542e-09 deg/d
Q 3.337729359364914 5.1211e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7072 days (19.36 yr)  
   first obs. used      1995-09-19  
   last obs. used      2015-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70393  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 17:47:16  

Additional Information
 Earth MOID = 1.87829 AU 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO320510  

137166 Netabahcall           Discovered 1999 Mar. 20 by the Sloan Digital Sky Survey at Apache Point.
Neta Bahcall (b. 1942) is an Israeli-American astronomer and a builder of the Sloan Digital Sky Survey, best known for her work on the large-scale structure of the universe, clusters of galaxies, dark matter, and observational cosmology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 1999 FS81 = 2004 EA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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