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212781 (2007 TU165)
Classification: Main-belt Asteroid          SPK-ID: 2212781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1130083592613228 5.6483e-08  
a 2.658505657245184 3.0268e-08 au
q 2.358072294832962 1.5358e-07 au
i 6.765160094977614 5.9445e-06 deg
node 73.78699641020833 5.5209e-05 deg
peri 319.8377206367271 6.3076e-05 deg
M 329.6437197828326 3.7393e-05 deg
tp 2459134.006024082543
(2020-Oct-11.50602408)
0.0001659 TDB
period 1583.269370485484
4.33
2.7039e-05
7.403e-08
d
yr
n .227377606559528 3.8831e-09 deg/d
Q 2.958939019657408 3.3688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6185 days (16.93 yr)  
   first obs. used      2001-05-15  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:50:34  

Additional Information
 Earth MOID = 1.36972 au 
 Jupiter MOID = 2.44569 au 
 T_jup = 3.368 
[ 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 15.7   n/a MPO440127  

212781 (2007 TU165)          Discovered 2007-Oct-11 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Alternate Designations
 2007 TU165 = 2004 BK31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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