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212812 (2007 TX391)
Classification: Main-belt Asteroid          SPK-ID: 2212812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01890964800062773 5.783e-08  
a 3.02522884858006 3.1032e-08 au
q 2.968022835932067 1.7407e-07 au
i 1.25801269032279 6.5351e-06 deg
node 318.4762759919485 0.00023665 deg
peri 58.46548359899497 0.0002798 deg
M 150.585036010876 0.00014894 deg
tp 2458196.575816897597
(2018-Mar-19.07581690)
0.00079443 TDB
period 1921.922081925606
5.26
2.9572e-05
8.096e-08
d
yr
n .1873124844058766 2.8821e-09 deg/d
Q 3.082434861228053 3.1618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      5961 days (16.32 yr)  
   first obs. used      2003-12-22  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

Additional Information
 Earth MOID = 1.96765 au 
 Jupiter MOID = 1.99245 au 
 T_jup = 3.244 
[ 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 15.9   n/a MPO422828  

212812 (2007 TX391)          Discovered 2007-Oct-15 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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