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74558 (1999 LT13)
Classification: Mars-crossing Asteroid          SPK-ID: 2074558
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487796529537531 5.0148e-08  
a 2.169955042585877 1.0878e-08 au
q 1.630114380166116 1.1021e-07 au
i 8.538228833922579 5.5458e-06 deg
node 118.592900918698 4.3411e-05 deg
peri 205.7908789405571 4.4783e-05 deg
M 162.8313264624977 1.3797e-05 deg
tp 2458472.407510385965
(2018-Dec-19.90751039)
4.29e-05 TDB
period 1167.547427090684
3.20
8.7791e-06
2.404e-08
d
yr
n .3083386521582721 2.3185e-09 deg/d
Q 2.709795705005638 1.3584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1999-06-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:18:59  

Additional Information
 Earth MOID = .622155 au 
 Jupiter MOID = 2.62765 au 
 T_jup = 3.635 
[ 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 15.8   n/a MPO309717  

74558 (1999 LT13)          Discovered 1999-Jun-09 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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