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JPL Small-Body Database Browser
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20081 Occhialini (1994 EE3)
Classification: Main-belt Asteroid          SPK-ID: 2020081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08870629110708016 3.0831e-08  
a 2.45347023599474 9.3716e-09 au
q 2.235831991018034 7.6977e-08 au
i 7.640228116660499 3.2556e-06 deg
node 135.6289035689293 2.93e-05 deg
peri 6.681739008844942 3.7315e-05 deg
M 233.6054369169904 2.2874e-05 deg
tp 2459093.328153690313
(2020-Aug-31.82815369)
8.9535e-05 TDB
period 1403.684865875073
3.84
8.0426e-06
2.202e-08
d
yr
n .2564678217682229 1.4695e-09 deg/d
Q 2.671108480971446 1.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      12807 days (35.06 yr)  
   first obs. used      1984-11-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:41:33  

Additional Information
 Earth MOID = 1.2493 au 
 Jupiter MOID = 2.33645 au 
 T_jup = 3.477 
[ 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 14.2   n/a MPO416922  

20081 Occhialini           Discovered 1994 Mar. 12 by V. Goretti and M. Tombelli at Cima Ekar.
Giuseppe Occhialini (b. 1907) is a distinguished Italian physicist. He collaborated with P. M. S. Blackett at the Cavendish Laboratory of Cambridge on very important research work in cosmic radiation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1994 EE3 = 1998 HA121 = 1999 RZ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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