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JPL Small-Body Database Browser
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212805 (2007 TU361)
Classification: Main-belt Asteroid          SPK-ID: 2212805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08301460654351889 7.688e-08  
a 2.630129429050668 3.2114e-08 au
q 2.411790269339496 1.8923e-07 au
i 1.099960490237842 7.5142e-06 deg
node 164.4656019551968 0.00028463 deg
peri 16.11337379704064 0.0002868 deg
M 131.7259925801527 3.8404e-05 deg
tp 2458030.423567912447
(2017-Oct-03.92356791)
0.00016075 TDB
period 1557.987998660493
4.27
2.8535e-05
7.812e-08
d
yr
n .2310672484701527 4.2321e-09 deg/d
Q 2.848468588761839 3.478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5262 days (14.41 yr)  
   first obs. used      2005-04-30  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:47:06  

Additional Information
 Earth MOID = 1.41507 au 
 Jupiter MOID = 2.1111 au 
 T_jup = 3.395 
[ 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 16.9   n/a MPO450008  

212805 (2007 TU361)          Discovered 2007-Oct-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 TU361 = 2005 JN171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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