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74942 (1999 TO177)
Classification: Main-belt Asteroid          SPK-ID: 2074942
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741137705744014 5.5853e-08  
a 2.735690247519573 1.5299e-08 au
q 2.259368903400322 1.5429e-07 au
i 5.003117370875787 5.9777e-06 deg
node 196.364716131854 4.7894e-05 deg
peri 187.771895871342 4.9478e-05 deg
M 209.1595244219669 1.246e-05 deg
tp 2459692.991109995692
(2022-Apr-23.49111000)
5.9732e-05 TDB
period 1652.718202081526
4.52
1.3864e-05
3.796e-08
d
yr
n .2178229776537802 1.8273e-09 deg/d
Q 3.212011591638823 1.7963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      10283 days (28.15 yr)  
   first obs. used      1992-03-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:09:34  

Additional Information
 Earth MOID = 1.26308 au 
 Jupiter MOID = 2.24141 au 
 T_jup = 3.325 
[ 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 15.3   n/a MPO436307  

74942 (1999 TO177)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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