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JPL Small-Body Database Browser
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410973 (2009 TW39)
Classification: Main-belt Asteroid          SPK-ID: 2410973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029864413824795 1.4032e-07  
a 3.074303625331151 5.9203e-08 au
q 2.450261672695925 4.3796e-07 au
i 11.30121050806789 7.587e-06 deg
node 239.9453382198744 5.908e-05 deg
peri 119.9055363019931 6.1752e-05 deg
M 8.305155406070668 2.335e-05 deg
tp 2458955.078253903047
(2020-Apr-15.57825390)
0.00012686 TDB
period 1968.876895783407
5.39
5.6873e-05
1.557e-07
d
yr
n .1828453575594211 5.2817e-09 deg/d
Q 3.698345577966378 7.122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      8909 days (24.39 yr)  
   first obs. used      1993-11-21  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63055  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:50:50  

Additional Information
 Earth MOID = 1.47172 au 
 Jupiter MOID = 1.93535 au 
 T_jup = 3.169 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO446722  

410973 (2009 TW39)          Discovered 2009-Oct-14 by CSS at Catalina
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2009 TW39 = 2013 LQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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