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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3192620765736193 9.6933e-08  
a 2.562286667207795 1.3561e-08 AU
q 1.744245705058136 2.4806e-07 AU
i 6.419751908533819 6.344e-06 deg
node 144.8244182217481 8.8845e-05 deg
peri 202.5307480141684 8.9787e-05 deg
M 33.35984818558006 1.4001e-05 deg
tp 2456861.676954792535
(2014-Jul-23.17695479)
5.83e-05 JED
period 1498.097233436746
4.10
1.1893e-05
3.256e-08
d
yr
n .240304829329491 1.9077e-09 deg/d
Q 3.380327629357454 1.789e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      12178 days (33.34 yr)  
   first obs. used      1981-08-24  
   last obs. used      2014-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54855  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 08:49:23  

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 16.2 mag n/a MPO320803  

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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