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13006 Schwaar (1983 AC1)
Classification: Main-belt Asteroid          SPK-ID: 2013006
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB
Reference: MPO87247 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2019400 n/a  
a 2.2738506 n/a AU
q 1.8146692 n/a AU
i 28.51884 n/a deg
node 129.30018 n/a deg
peri 358.26916 n/a deg
M 304.58296 n/a deg
tp 2455393.2889465
(2010-Jul-15.78894651)		 n/a JED
period 1252.3949444
3.43		 n/a
n/a		 d
yr
n 0.28744926 n/a deg/d
Q 2.7330320 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      234  
   first obs. used      1983-??-??  
   last obs. used      2005-10-02  
   # oppositions      9  
   planetary ephem.      DE403  
   quality code      1  
   fit RMS      0.61  
   data source      MPC:mpn  
   producer      MPC  

Additional Information
 T_jup = 3.426 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a PDS3 (MPC 37488)  

13006 Schwaar           Discovered 1983 Jan. 12 by B. A. Skiff at the Anderson Mesa Station of the Lowell Observatory.
Pierre-Yves Schwaar (1946-2000) was a well-regarded amateur optician and telescope maker. He was also an accomplished observer and photographer of the night sky, often making resourceful use of simple apparatus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1983 AC1 = 1990 DH 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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