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53910 Janfischer (2000 GF4)
Classification: Main-belt Asteroid          SPK-ID: 2053910
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221872444619845 4.604e-08  
a 2.404617425270233 1.4981e-08 au
q 2.110803848091192 1.0969e-07 au
i .02214908275398839 5.586e-06 deg
node 320.808812456426 0.014046 deg
peri 110.190056599122 0.014046 deg
M 197.9620903049288 2.7207e-05 deg
tp 2458013.529738719738
(2017-Sep-17.02973872)
0.00010317 JED
period 1361.969593130456
3.73
1.2728e-05
3.485e-08
d
yr
n .2643230816721452 2.4702e-09 deg/d
Q 2.698431002449275 1.6812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      7007 days (19.18 yr)  
   first obs. used      1996-03-11  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:58:15  

Additional Information
 Earth MOID = 1.12448 au 
 Jupiter MOID = 2.5488 au 
 T_jup = 3.513 
[ 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 15.5 mag n/a MPO280058  

53910 Jánfischer           Discovered 2000 Apr. 6 by L. Kornoš and D. Kalmančok at the Modra Observatory of the Comenius University.
Ján Fischer (1905-1980) was a theoretical physicist and professor at Comenius University, Bratislava. He studied interaction between matter and electromagnetic radiation and significantly contributed to the quantum theory of photoelectric effect and Compton phenomenon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

Alternate Designations
 2000 GF4 = 1998 UP44 = 1998 VE23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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