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13043 (1990 QT4)
Classification: Main-belt Asteroid          SPK-ID: 2013043
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09611658492902868 1.1141e-07  
a 2.573681055823462 2.231e-08 au
q 2.326307622041174 2.9184e-07 au
i 15.19665612385297 1.2106e-05 deg
node 1.615539645388986 1.929e-05 deg
peri 47.36322465192593 6.8104e-05 deg
M 353.742769056218 6.0371e-05 deg
tp 2457426.712605969587
(2016-Feb-08.21260597)
0.0002529 JED
period 1508.10130452809
4.13
1.9609e-05
5.369e-08
d
yr
n .2387107543233974 3.1039e-09 deg/d
Q 2.82105448960575 2.4454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1986-10-02  
   last obs. used      2015-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44114  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:22:53  

Additional Information
 Earth MOID = 1.35488 au 
 Jupiter MOID = 2.54354 au 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO347628  

13043 (1990 QT4)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QT4 = 1986 TF9 = 1993 LA1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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