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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04568911289167719 3.5734e-08  
a 2.405026703433431 8.0728e-09 au
q 2.295143166872762 8.6537e-08 au
i 11.54863636173662 4.3198e-06 deg
node 213.8625900162396 1.7547e-05 deg
peri 117.06209982563 4.8467e-05 deg
M 298.2479738265195 4.6163e-05 deg
tp 2459234.182931580482
(2021-Jan-19.68293158)
0.00017484 TDB
period 1362.317329193996
3.73
6.8592e-06
1.878e-08
d
yr
n .2642556123197751 1.3305e-09 deg/d
Q 2.514910239994099 8.4416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2007  
   data-arc span      13519 days (37.01 yr)  
   first obs. used      1983-06-14  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:30:36  

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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