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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842965073296798 5.4416e-08  
a 2.328326680843717 1.0174e-08 au
q 1.899224205641714 1.306e-07 au
i .6852929446498425 4.0267e-06 deg
node 92.242869324 0.00044867 deg
peri 316.6490825059414 0.00044883 deg
M 1.386536761852507 1.2376e-05 deg
tp 2457395.502035269218
(2016-Jan-08.00203527)
4.4601e-05 JED
period 1297.670103371507
3.55
8.5055e-06
2.329e-08
d
yr
n .2774202773606911 1.8183e-09 deg/d
Q 2.75742915604572 1.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      9253 days (25.33 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54084  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:13:51  

Additional Information
 Earth MOID = .908272 au 
 Jupiter MOID = 2.62123 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 14.8 mag n/a MPO350884  

10309 (1990 QC6)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar
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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