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74826 (1999 TN17)
Classification: Main-belt Asteroid          SPK-ID: 2074826
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900582980799061 5.5124e-08  
a 2.314195281323946 1.1098e-08 au
q 1.874363264730967 1.235e-07 au
i 8.867305709572245 4.7329e-06 deg
node 139.8696850675927 3.1842e-05 deg
peri 261.150698815969 3.4939e-05 deg
M 298.3580116824511 1.8237e-05 deg
tp 2459220.677314588522
(2021-Jan-06.17731459)
6.6277e-05 TDB
period 1285.874051361551
3.52
9.2496e-06
2.532e-08
d
yr
n .2799652109153405 2.0139e-09 deg/d
Q 2.754027297916925 1.3207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      8193 days (22.43 yr)  
   first obs. used      1997-01-15  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:22:35  

Additional Information
 Earth MOID = .906217 au 
 Jupiter MOID = 2.70271 au 
 T_jup = 3.542 
[ 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 MPO436306  

74826 (1999 TN17)          Discovered 1999-Oct-13 by Galad, A., Koleny, P. at Modra
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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