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410976 (2009 TR44)
Classification: Main-belt Asteroid          SPK-ID: 2410976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09179492830094271 7.4667e-08  
a 2.991088055847487 4.619e-08 au
q 2.716521342219161 2.4596e-07 au
i 12.11825631222181 5.114e-06 deg
node 83.89076836860443 3.4333e-05 deg
peri 257.3930200529195 5.0474e-05 deg
M 52.78487514018867 3.2977e-05 deg
tp 2458723.455697889828
(2019-Aug-27.95569789)
0.0001747 TDB
period 1889.479675660469
5.17
4.3768e-05
1.198e-07
d
yr
n .1905286437517047 4.4134e-09 deg/d
Q 3.265654769475813 5.043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6788 days (18.58 yr)  
   first obs. used      2002-04-12  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:57:49  

Additional Information
 Earth MOID = 1.73967 au 
 Jupiter MOID = 2.08339 au 
 T_jup = 3.216 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO440760  

410976 (2009 TR44)          Discovered 2009-Oct-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

Alternate Designations
 2009 TR44 = 2014 QQ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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