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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07619648801275034 8.2796e-08  
a 3.097796352999741 3.1029e-08 au
q 2.861755150322454 2.6463e-07 au
i 11.09871319349671 1.4274e-05 deg
node 158.5691648572852 3.9914e-05 deg
peri 99.05096037294665 0.0001205 deg
M 14.14796943730675 0.00011729 deg
tp 2457522.234685401957
(2016-May-13.73468540)
0.00064852 JED
period 1991.488134049802
5.45
2.9921e-05
8.192e-08
d
yr
n .1807693422043745 2.716e-09 deg/d
Q 3.333837555677027 3.3393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      1995-09-19  
   last obs. used      2015-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63756  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 17:55:08  

Additional Information
 Earth MOID = 1.87425 au 
 Jupiter MOID = 1.79356 au 
 T_jup = 3.190 
[ 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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