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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3192620758604889 9.6496e-08  
a 2.562286667164486 1.3543e-08 AU
q 1.744245706855899 2.469e-07 AU
i 6.419752222877547 6.1768e-06 deg
node 144.8244199165784 8.8054e-05 deg
peri 202.5307462079741 8.9e-05 deg
M 33.35984831616778 1.3993e-05 deg
tp 2456861.676954252630
(2014-Jul-23.17695425)
5.8266e-05 JED
period 1498.097233398764
4.10
1.1877e-05
3.252e-08
d
yr
n .2403048293355837 1.9052e-09 deg/d
Q 3.380327627473074 1.7867e-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 = .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
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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