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74906 (1999 TF129)
Classification: Main-belt Asteroid          SPK-ID: 2074906
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 .2136148680372169 6.0776e-08  
a 2.550445348738709 1.1936e-08 au
q 2.005632302131756 1.5804e-07 au
i 7.251702794426212 5.8451e-06 deg
node 192.7926285024963 4.7568e-05 deg
peri 168.9731037143899 5.0057e-05 deg
M 28.00656186457639 1.8857e-05 deg
tp 2458884.760991864579
(2020-Feb-05.26099186)
7.7364e-05 TDB
period 1487.724310117909
4.07
1.0444e-05
2.859e-08
d
yr
n .241980316885101 1.6987e-09 deg/d
Q 3.095258395345662 1.4486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9173 days (25.11 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:41:53  

Additional Information
 Earth MOID = 1.00371 au 
 Jupiter MOID = 2.37007 au 
 T_jup = 3.397 
[ 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 15.6   n/a MPO439564  

74906 (1999 TF129)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TF129 = 1995 SR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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