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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3193803982258824 1.016e-07  
a 2.562718749797723 1.6857e-08 AU
q 1.744236614946391 2.5853e-07 AU
i 6.41962566909183 8.4689e-06 deg
node 144.8240751378606 0.00010139 deg
peri 202.532549483508 0.00010348 deg
M 345.3013540723861 2.4025e-05 deg
tp 2456861.682141492607
(2014-Jul-23.18214149)
0.00010028 JED
period 1498.476189290316
4.10
1.4785e-05
4.048e-08
d
yr
n .2402440576453186 2.3703e-09 deg/d
Q 3.381200884649056 2.224e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      11974 days (32.78 yr)  
   first obs. used      1981-08-24  
   last obs. used      2014-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 17:24:39  

Additional Information
 Earth MOID = .73792 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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