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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07663144467455645 1.2359e-07  
a 3.103716989873687 7.7225e-08 AU
q 2.865874673078701 3.6151e-07 AU
i 11.08055298220962 1.6712e-05 deg
node 158.6014414607261 6.7068e-05 deg
peri 97.33871329510042 0.00014184 deg
M 231.3933592889869 0.0001307 deg
tp 2457513.981128870481
(2016-May-05.48112887)
0.00073515 JED
period 1997.200183235778
5.47
7.454e-05
2.041e-07
d
yr
n .1802523367571214 6.7274e-09 deg/d
Q 3.341559306668674 8.3143e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      1995-09-19  
   last obs. used      2013-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70955  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 13:51:49  

Additional Information
 Earth MOID = 1.87878 AU 
 T_jup = 3.188 
[ 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 15.3 mag n/a MPO248170  

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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