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129939 (1999 TH163)
Classification: Main-belt Asteroid          SPK-ID: 2129939
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301408887135107 5.599e-08  
a 2.550900634814461 1.1534e-08 au
q 2.218924159179849 1.4556e-07 au
i 5.785611432480976 3.6493e-06 deg
node 64.45172245168369 6.0883e-05 deg
peri 253.5374637400987 6.4119e-05 deg
M 76.47368191799731 1.8351e-05 deg
tp 2458684.382717961337
(2019-Jul-19.88271796)
7.6376e-05 TDB
period 1488.12269371244
4.07
1.0093e-05
2.763e-08
d
yr
n .2419155366160723 1.6407e-09 deg/d
Q 2.882877110449074 1.3035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1991-11-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:36:49  

Additional Information
 Earth MOID = 1.21404 au 
 Jupiter MOID = 2.39393 au 
 T_jup = 3.421 
[ 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 MPO439821  

129939 (1999 TH163)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 TH163 = 2005 BF48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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