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JPL Small-Body Database Browser
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74938 (1999 TC174)
Classification: Main-belt Asteroid          SPK-ID: 2074938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060295438591634 3.4886e-08  
a 2.273966582496288 1.0328e-08 au
q 2.032858943003226 8.0061e-08 au
i 7.92161197434172 5.908e-06 deg
node 358.3279144226915 2.7826e-05 deg
peri 283.2079783006356 4.0068e-05 deg
M 345.6891515791905 2.8133e-05 deg
tp 2458650.289461027933
(2019-Jun-15.78946103)
9.7844e-05 TDB
period 1252.490798797933
3.43
8.533e-06
2.336e-08
d
yr
n .2874272612186107 1.9582e-09 deg/d
Q 2.51507422198935 1.1423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57137  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:50:13  

Additional Information
 Earth MOID = 1.03384 au 
 Jupiter MOID = 2.62718 au 
 T_jup = 3.590 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436307  

74938 (1999 TC174)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TC174 = 2001 DY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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