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9882 Stallman (1994 SS9)
Classification: Main-belt Asteroid          SPK-ID: 2009882
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO250308 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1820884 n/a  
a 2.3925901 n/a AU
q 1.9569272 n/a AU
i 0.98864 n/a deg
node 148.84698 n/a deg
peri 156.40051 n/a deg
M 50.07294 n/a deg
tp 2456212.4811198
(2012-Oct-11.98111980)		 n/a JED
period 1351.7639844
3.70		 n/a
n/a		 d
yr
n 0.26631868 n/a deg/d
Q 2.8282530 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      451  
   first obs. used      1979-??-??  
   last obs. used      2012-08-16  
   # oppositions      15  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.55  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.508 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a PDS3 (MPC 33465)  

9882 Stallman           Discovered 1994 Sept. 28 by Spacewatch at Kitt Peak.
Richard Stallman (b. 1953) is the founder of the GNU project and an advocate and developer of free software. He created the GNU system of tools, which made possible the GNU/Linux operating system. This operating system is used by several minor-planet surveys for data collection and analysis.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1994 SS9 = 1979 QV4 = 1997 HE18 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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