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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09645807498965632 1.5564e-07  
a 2.573875048818038 2.9469e-08 AU
q 2.325604016345142 3.9613e-07 AU
i 15.19525191385831 1.3174e-05 deg
node 1.625129849588923 2.7072e-05 deg
peri 47.3536337613378 7.2618e-05 deg
M 210.5654677433419 6.0505e-05 deg
tp 2457426.577482750638
(2016-Feb-08.07748275)
0.00025355 JED
period 1508.271819013824
4.13
2.5903e-05
7.092e-08
d
yr
n .2386837673831128 4.0991e-09 deg/d
Q 2.822146081290934 3.2311e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      9748 days (26.69 yr)  
   first obs. used      1986-10-02  
   last obs. used      2013-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48148  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:26:16  

Additional Information
 Earth MOID = 1.35435 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 13.2 mag n/a MPO263466  

13043 (1990 QT4)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar (675)
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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