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441111 (2007 TD20)
Classification: Main-belt Asteroid          SPK-ID: 2441111
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2220383925590332 2.4946e-07  
a 2.569008814049148 6.1845e-08 au
q 1.998590226507687 6.8703e-07 au
i 4.177006443158738 8.3254e-06 deg
node 201.3724848781691 0.00012464 deg
peri 182.3150757573821 0.00016044 deg
M 24.18225859245844 0.00010243 deg
tp 2458899.472134235162
(2020-Feb-19.97213424)
0.0004244 TDB
period 1503.996474782714
4.12
5.431e-05
1.487e-07
d
yr
n .239362263167545 8.6435e-09 deg/d
Q 3.139427401590609 7.5578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5785 days (15.84 yr)  
   first obs. used      2003-10-20  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64456  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:42  

Additional Information
 Earth MOID = 1.00217 au 
 Jupiter MOID = 2.31646 au 
 T_jup = 3.392 
[ 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 17.7   n/a MPO477078  

441111 (2007 TD20)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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