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442668 (2012 TJ280)
Classification: Main-belt Asteroid          SPK-ID: 2442668
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849721902047991 6.4847e-08  
a 2.35670417136408 2.222e-08 au
q 1.92077943912208 1.5792e-07 au
i 4.97880558623396 8.0327e-06 deg
node 323.5598621412294 6.4798e-05 deg
peri 127.9845049018963 6.8957e-05 deg
M 349.6974908197074 2.0882e-05 deg
tp 2459038.317824496709
(2020-Jul-07.81782450)
7.6827e-05 TDB
period 1321.466118647861
3.62
1.8689e-05
5.117e-08
d
yr
n .2724246917267588 3.8528e-09 deg/d
Q 2.79262890360608 2.633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5052 days (13.83 yr)  
   first obs. used      2005-12-22  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:28  

Additional Information
 Earth MOID = .942105 au 
 Jupiter MOID = 2.40021 au 
 T_jup = 3.526 
[ 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 17.8   n/a MPO495193  

442668 (2012 TJ280)          Discovered 2005-Dec-22 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 TJ280 = 2005 YV38 = 2010 FQ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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