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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .318045141764105 9.0586e-08  
a 2.56601711643083 1.3402e-08 au
q 1.749907838866467 2.3093e-07 au
i 6.415879998764827 5.8524e-06 deg
node 144.8168033922491 7.4267e-05 deg
peri 202.7823635291101 7.5041e-05 deg
M 177.1407616634189 1.2366e-05 deg
tp 2456861.739345678677
(2014-Jul-23.23934568)
5.0633e-05 JED
period 1501.370057677685
4.11
1.1762e-05
3.22e-08
d
yr
n .2397809908083868 1.8785e-09 deg/d
Q 3.382126393995194 1.7665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      12605 days (34.51 yr)  
   first obs. used      1981-08-24  
   last obs. used      2016-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53781  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 22:44:43  

Additional Information
 Earth MOID = .744092 au 
 Jupiter MOID = 2.03845 au 
 T_jup = 3.351 
[ 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 16.2 mag n/a MPO320803  

175660 (1981 QC3)          Discovered 1981-Aug-24 by Debehogne, H. at La Silla
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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