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243480 (2009 TQ9)
Classification: Main-belt Asteroid          SPK-ID: 2243480
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07354955059228004 4.3733e-08  
a 2.712419325248401 2.5037e-08 au
q 2.512922102858565 1.1947e-07 au
i 4.917925325246709 7.4732e-06 deg
node 16.57603785350811 5.6698e-05 deg
peri 88.52478623611172 8.3667e-05 deg
M 62.15297071686656 5.8262e-05 deg
tp 2458718.795968410852
(2019-Aug-23.29596841)
0.00026383 TDB
period 1631.675046299479
4.47
2.2592e-05
6.185e-08
d
yr
n .2206321662002823 3.0549e-09 deg/d
Q 2.911916547638236 2.6879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:44  

Additional Information
 Earth MOID = 1.53571 au 
 Jupiter MOID = 2.17447 au 
 T_jup = 3.353 
[ 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 16.5   n/a MPO460067  
diameter diameter 2.714 km 0.916 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243480 (2009 TQ9)          Discovered 2009-Oct-14 by BATTeRS at Bisei SG Center
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 TQ9 = 2002 CL164 = 2005 XM44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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