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172309 (2002 TU268)
Classification: Main-belt Asteroid          SPK-ID: 2172309
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207250561501352 4.1747e-08  
a 2.770799170294832 1.8995e-08 au
q 2.159214367850757 1.2043e-07 au
i 8.193194976711979 6.9503e-06 deg
node 341.9532493264742 3.1725e-05 deg
peri 83.00257583442932 3.5906e-05 deg
M 264.1147976936099 1.715e-05 deg
tp 2459449.198986297110
(2021-Aug-22.69898630)
8.2289e-05 TDB
period 1684.635701667541
4.61
1.7323e-05
4.743e-08
d
yr
n .2136960528876677 2.1975e-09 deg/d
Q 3.382383972738907 2.3188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-12-21  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:33:41  

Additional Information
 Earth MOID = 1.19073 au 
 Jupiter MOID = 2.03729 au 
 T_jup = 3.287 
[ 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 15.6   n/a MPO436857  

172309 (2002 TU268)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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