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JPL Small-Body Database Browser
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74946 (1999 TA179)
Classification: Main-belt Asteroid          SPK-ID: 2074946
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234506686394469 4.6847e-08  
a 2.455333242375717 1.1449e-08 au
q 2.152220711871774 1.1881e-07 au
i 3.72680296410169 3.9174e-06 deg
node 253.1665729885555 6.5909e-05 deg
peri 264.8251465902974 6.7898e-05 deg
M 269.1463931377239 1.7719e-05 deg
tp 2458955.153103822474
(2020-Apr-15.65310382)
7.0047e-05 TDB
period 1405.283970394613
3.85
9.8294e-06
2.691e-08
d
yr
n .2561759812138963 1.7919e-09 deg/d
Q 2.758445772879661 1.2863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:23  

Additional Information
 Earth MOID = 1.1657 au 
 Jupiter MOID = 2.24622 au 
 T_jup = 3.480 
[ 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 MPO449472  

74946 (1999 TA179)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TA179 = 1999 TH202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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