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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056803480952648 3.487e-08  
a 2.273254209073973 1.0207e-08 au
q 2.03301591295001 7.9898e-08 au
i 7.922324758384407 5.8548e-06 deg
node 358.3121401367388 2.7793e-05 deg
peri 283.1706185649707 3.9866e-05 deg
M 100.7568929194163 2.79e-05 deg
tp 2458650.117264878822
(2019-Jun-15.61726488)
9.7223e-05 TDB
period 1251.902286670422
3.43
8.4315e-06
2.308e-08
d
yr
n .2875623791354047 1.9367e-09 deg/d
Q 2.513492505197936 1.1285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:41:45  

Additional Information
 Earth MOID = 1.03458 au 
 Jupiter MOID = 2.62824 au 
 T_jup = 3.591 
[ 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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