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12729 Berger (1991 RL7)
Classification: Main-belt Asteroid          SPK-ID: 2012729
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0456891164089924 3.4433e-08  
a 2.405026703987189 7.8919e-09 au
q 2.295143158941983 8.386e-08 au
i 11.54863698398458 4.1713e-06 deg
node 213.8625885920693 1.7356e-05 deg
peri 117.062104661603 4.7182e-05 deg
M 298.2479699339893 4.4498e-05 deg
tp 2459234.182946391361
(2021-Jan-19.68294639)
0.00016848 TDB
period 1362.317329664507
3.73
6.7055e-06
1.836e-08
d
yr
n .2642556122285076 1.3007e-09 deg/d
Q 2.514910249032395 8.2525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2096  
   data-arc span      13565 days (37.14 yr)  
   first obs. used      1983-06-14  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:36:35  

Additional Information
 Earth MOID = 1.31151 au 
 Jupiter MOID = 2.61743 au 
 T_jup = 3.494 
[ 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 13.8   n/a MPO473939  

12729 Berger           Discovered 1991 Sept. 13 by F. Borngen and L. D. Schmadel at Tautenburg.
The German medical doctor Hans Berger (1873-1941) was professor of neurology and psychiatry in Jena. He invented the electroencephalograph, placing electrical recording equipment on the surface of the skull.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1991 RL7 = 1998 QO65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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