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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740710460858861 6.461e-08  
a 2.735891641804546 1.6464e-08 au
q 2.259652121737997 1.757e-07 au
i 5.002947600919949 6.1713e-06 deg
node 196.3668184580071 5.4719e-05 deg
peri 187.86405787 5.7423e-05 deg
M 121.9056234077335 1.4399e-05 deg
tp 2458040.783635255767
(2017-Oct-14.28363526)
6.5802e-05 TDB
period 1652.900708558627
4.53
1.492e-05
4.085e-08
d
yr
n .217798926539229 1.966e-09 deg/d
Q 3.212131161871096 1.933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56137  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:06:56  

Additional Information
 Earth MOID = 1.26266 au 
 Jupiter MOID = 2.23848 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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