Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
30830 Jahn (1990 TQ12)
Classification: Main-belt Asteroid          SPK-ID: 2030830
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO257079 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2131928 n/a  
a 2.3608289 n/a AU
q 1.8575172 n/a AU
i 4.66927 n/a deg
node 255.82604 n/a deg
peri 175.33465 n/a deg
M 55.51905 n/a deg
tp 2456196.1687887
(2012-Sep-25.66878870)		 n/a JED
period 1324.9368649
3.63		 n/a
n/a		 d
yr
n 0.27171106 n/a deg/d
Q 2.8641406 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      619  
   first obs. used      1979-??-??  
   last obs. used      2013-03-17  
   # oppositions      12  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.53  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.516 

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a PDS3 (MPO 18553)  

30830 Jahn           Discovered 1990 Oct. 14 by F. Borngen and L. D. Schmadel at Tautenburg.
Friedrich Ludwig Jahn (1778-1852) was an educator, writer and the "father of gymnastics". He opened the first sports ground in Berlin in 1811 and founded the Turnverein (gym club) movement in Germany. He invented diverse apparatus that became standard equipment for sports activities.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1990 TQ12 = 1979 WV7 = 1990 VW1 = 1999 GT51 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2013-May-24 21:05 UT
(server date/time)   		NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster:   Alan B. Chamberlin