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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023725896553308 8.3497e-08  
a 2.273782870444599 1.2864e-08 AU
q 1.813631542638794 1.8641e-07 AU
i 28.52690608112465 8.8158e-06 deg
node 129.2780790373605 1.0245e-05 deg
peri 358.1006469285843 1.8854e-05 deg
M 102.1779460765468 1.4456e-05 deg
tp 2456645.051586463142
(2013-Dec-18.55158646)
4.8908e-05 JED
period 1252.339020177665
3.43
1.0628e-05
2.91e-08
d
yr
n .2874620962851802 2.4394e-09 deg/d
Q 2.733934198250404 1.5467e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      11894 days (32.56 yr)  
   first obs. used      1983-01-12  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47388  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:37:29  

Additional Information
 Earth MOID = .828995 AU 
 T_jup = 3.426 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO337368  
rotation period rot_per 6.8 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Higgins, D.; Oey, J. (2007) Minor Planet Bul. 34, 79-80.]

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

[ show close-approach data ]
Alternate Designations
 1983 AC1 = 1990 DH 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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