Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456670.5 (2014-Jan-13.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04499343909721979 3.5549e-08  
q 2.295935205950004 8.5889e-08 au
tp 2456507.611906230718
(2013-Aug-03.11190623)
0.00017651 TDB
node 213.9579959424245 1.7557e-05 deg
peri 116.2745271960972 4.9232e-05 deg
i 11.54592130972995 4.3187e-06 deg
  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
 Jupiter MOID = 2.61743 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.263712296837947E-15 -3.04065300397556E-15 1.729301997104416E-12 1.533245090487127E-15 4.487874999468476E-13 2.864020915277422E-15
q -3.04065300397556E-15 7.376986004933939E-15 -4.059584925288279E-12 -3.509548271233465E-15 -1.05300315370966E-12 -6.738157278240918E-15
tp 1.729301997104416E-12 -4.059584925288279E-12 3.115457577344315E-8 -3.128899367573995E-12 8.129382055563206E-9 5.037294439894648E-12
node 1.533245090487127E-15 -3.509548271233465E-15 -3.128899367573995E-12 3.082635605394822E-10 -3.022544521157798E-10 -1.183998762326736E-11
peri 4.487874999468476E-13 -1.05300315370966E-12 8.129382055563206E-9 -3.022544521157798E-10 2.423754628128924E-9 1.291562121186711E-11
i 2.864020915277422E-15 -6.738157278240918E-15 5.037294439894648E-12 -1.183998762326736E-11 1.291562121186711E-11 1.865104812957307E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 14:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin