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74915 (1999 TL143)
Classification: Main-belt Asteroid          SPK-ID: 2074915
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 .1244762936787996 4.0852e-08  
a 2.334831283645953 1.034e-08 au
q 2.044200139092391 9.4123e-08 au
i 4.662428988109139 4.581e-06 deg
node 330.4696255094955 5.974e-05 deg
peri 105.8415129319089 6.447e-05 deg
M 237.6545413573551 2.1848e-05 deg
tp 2459443.360590639966
(2021-Aug-16.86059064)
7.8988e-05 TDB
period 1303.111814685835
3.57
8.6568e-06
2.37e-08
d
yr
n .2762617880851551 1.8353e-09 deg/d
Q 2.625462428199516 1.1628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:01  

Additional Information
 Earth MOID = 1.06533 au 
 Jupiter MOID = 2.59331 au 
 T_jup = 3.553 
[ 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 16.0   n/a MPO337823  

74915 (1999 TL143)          Discovered 1999-Oct-07 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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