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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143532527840939 6.5807e-08  
a 2.579236818955942 2.898e-08 au
q 2.209032438430774 1.8249e-07 au
i 2.246288062813606 6.6872e-06 deg
node 78.25793905104808 0.00030608 deg
peri 326.4819285753769 0.0003108 deg
M 2.431308701331016 5.8821e-05 deg
tp 2458990.281836202786
(2020-May-20.78183620)
0.00024709 TDB
period 1512.987209309597
4.14
2.55e-05
6.982e-08
d
yr
n .2379398832884215 4.0102e-09 deg/d
Q 2.94944119948111 3.314e-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 = 1.21867 au 
 Jupiter MOID = 2.4296 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 17.9   n/a MPO495185  

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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