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JPL Small-Body Database Browser
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21276 Feller (1996 TF5)
Classification: Main-belt Asteroid          SPK-ID: 2021276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411947459859358 3.751e-08  
a 2.28560841149301 9.0652e-09 au
q 1.962892512408936 8.4208e-08 au
i 4.12489614943388 4.5344e-06 deg
node 194.9974996915891 5.6721e-05 deg
peri 211.489311818187 5.8925e-05 deg
M 281.260344529504 1.7101e-05 deg
tp 2459276.552811595374
(2021-Mar-03.05281160)
6.0664e-05 TDB
period 1262.12150130086
3.46
7.5088e-06
2.056e-08
d
yr
n .2852340282840841 1.697e-09 deg/d
Q 2.608324310577083 1.0345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8249 days (22.58 yr)  
   first obs. used      1996-10-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:59:15  

Additional Information
 Earth MOID = .973528 au 
 Jupiter MOID = 2.75988 au 
 T_jup = 3.585 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO474045  

21276 Feller           Discovered 1996 Oct. 8 by P. G. Comba at Prescott.
William Feller (1906-1970) studied at Zagreb and Göttingen and taught at Kiel, Stockholm, Brown University and Cornell University. He was one of the founders of the modern probability theory based on concepts of measure theory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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