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175660 (1981 QC3)
Classification: Main-belt Asteroid          SPK-ID: 2175660
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3192620552652894 9.7608e-08  
a 2.56228667076573 1.4781e-08 AU
q 1.744245762078207 2.4972e-07 AU
i 6.419744277158696 8.3363e-06 deg
node 144.8244123203565 9.2666e-05 deg
peri 202.5307567642946 9.39e-05 deg
M 33.35984188517979 1.7153e-05 deg
tp 2456861.676980721752
(2014-Jul-23.17698072)
7.1137e-05 JED
period 1498.097236557084
4.10
1.2963e-05
3.549e-08
d
yr
n .240304828828968 2.0794e-09 deg/d
Q 3.380327579453253 1.95e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      12063 days (33.03 yr)  
   first obs. used      1981-08-24  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56537  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:51:44  

Additional Information
 Earth MOID = .739602 AU 
 T_jup = 3.352 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1 mag n/a MPO264394  

175660 (1981 QC3)          Discovered 1981-Aug-24 by Debehogne, H. at La Silla (809)
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1981 QC3 = 2006 WJ190 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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