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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .319262076947124 9.6576e-08  
a 2.562286667154563 1.3545e-08 AU
q 1.744245704064874 2.4711e-07 AU
i 6.41975272192615 6.1994e-06 deg
node 144.8244244625926 8.818e-05 deg
peri 202.5307417787319 8.9126e-05 deg
M 33.35984827161926 1.3996e-05 deg
tp 2456861.676954438819
(2014-Jul-23.17695444)
5.8276e-05 JED
period 1498.097233390062
4.10
1.1879e-05
3.252e-08
d
yr
n .2403048293369796 1.9055e-09 deg/d
Q 3.380327630244254 1.787e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      12188 days (33.37 yr)  
   first obs. used      1981-08-24  
   last obs. used      2015-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53931  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 18:42:03  

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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