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268157 (2004 TD351)
Classification: Main-belt Asteroid          SPK-ID: 2268157
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04509347102719 5.0922e-08  
a 2.772351140133419 2.2257e-08 au
q 2.647336204318615 1.3896e-07 au
i 4.565996159592791 4.7844e-06 deg
node 67.68195973179716 7.4109e-05 deg
peri 53.00624640069513 0.00010865 deg
M 65.32691535667651 7.5466e-05 deg
tp 2458694.542972879609
(2019-Jul-30.04297288)
0.00035353 TDB
period 1686.051287772674
4.62
2.0304e-05
5.559e-08
d
yr
n .2135166365405 2.5712e-09 deg/d
Q 2.897366075948223 2.3261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7028 days (19.24 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:47  

Additional Information
 Earth MOID = 1.66649 au 
 Jupiter MOID = 2.13221 au 
 T_jup = 3.331 
[ 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 16.1   n/a MPO418423  

268157 (2004 TD351)          Discovered 2004-Oct-10 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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