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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3188324621558785 9.6542e-08  
a 2.564022919748111 1.3399e-08 au
q 1.746529179220716 2.4669e-07 au
i 6.419525649957214 6.1794e-06 deg
node 144.8235340077719 8.803e-05 deg
peri 202.6552870724115 8.8986e-05 deg
M 129.3339204088388 1.4076e-05 deg
tp 2456861.745112719239
(2014-Jul-23.24511272)
5.8396e-05 JED
period 1499.620198691658
4.11
1.1755e-05
3.218e-08
d
yr
n .2400607835997952 1.8817e-09 deg/d
Q 3.381516660275505 1.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      12207 days (33.42 yr)  
   first obs. used      1981-08-24  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51977  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 21:05:01  

Additional Information
 Earth MOID = .739597 au 
 Jupiter MOID = 2.03846 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
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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