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JPL Small-Body Database Browser
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441187 (2007 TW438)
Classification: Main-belt Asteroid          SPK-ID: 2441187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433634215851911 6.596e-08  
a 2.579591083306291 2.919e-08 au
q 2.209772079312851 1.8289e-07 au
i 2.246366809386453 6.6867e-06 deg
node 78.25921203207055 0.00030604 deg
peri 326.3710171116303 0.00031077 deg
M 267.344911495824 5.7758e-05 deg
tp 2458989.985686368022
(2020-May-20.48568637)
0.00024725 TDB
period 1513.298938634855
4.14
2.5686e-05
7.032e-08
d
yr
n .2378908692850571 4.0379e-09 deg/d
Q 2.94941008729973 3.3375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      5819 days (15.93 yr)  
   first obs. used      2003-10-20  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:56:18  

Additional Information
 Earth MOID = 1.21885 au 
 Jupiter MOID = 2.42935 au 
 T_jup = 3.410 
[ 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 18.1   n/a MPO402739  

441187 (2007 TW438)          Discovered 2007-Oct-11 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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