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10309 (1990 QC6)
Classification: Main-belt Asteroid          SPK-ID: 2010309
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844883596868107 5.691e-08  
a 2.32857024356904 1.6005e-08 AU
q 1.89897613891747 1.3394e-07 AU
i .6853031923046606 5.5699e-06 deg
node 92.23792907635351 0.00046342 deg
peri 316.6552144375869 0.00046366 deg
M 250.4453460281347 1.9681e-05 deg
tp 2457395.466964864054
(2016-Jan-07.96696486)
7.3881e-05 JED
period 1297.873729650724
3.55
1.3381e-05
3.664e-08
d
yr
n .2773767522799624 2.8598e-09 deg/d
Q 2.75816434822061 1.8958e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:16:31  

Additional Information
 Earth MOID = .908863 AU 
 T_jup = 3.549 
[ 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 14.7 mag n/a MPO263441  

10309 (1990 QC6)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar (675)
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QC6 = 1996 HD9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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