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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846205545147059 5.7006e-08  
a 2.328328788988493 1.6002e-08 AU
q 1.898471436872883 1.3412e-07 AU
i .6853016379629975 5.574e-06 deg
node 92.23694375974628 0.00046854 deg
peri 316.6656777267247 0.00046878 deg
M 194.9629861949851 1.9298e-05 deg
tp 2457395.399693419061
(2016-Jan-07.89969342)
7.3909e-05 JED
period 1297.671865802714
3.55
1.3378e-05
3.663e-08
d
yr
n .2774199005827341 2.8599e-09 deg/d
Q 2.758186141104102 1.8956e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      8720 days (23.87 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57481  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:23:47  

Additional Information
 Earth MOID = .907531 AU 
 T_jup = 3.550 
[ 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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