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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09634363785818098 1.5377e-07  
a 2.574081295086379 2.9014e-08 AU
q 2.32608493897506 3.8849e-07 AU
i 15.19531052962357 1.2759e-05 deg
node 1.618323626365004 2.5196e-05 deg
peri 47.34653679788185 7.3523e-05 deg
M 258.3042288432068 6.1243e-05 deg
tp 2457426.620284334384
(2016-Feb-08.12028433)
0.00025602 JED
period 1508.453110836467
4.13
2.5504e-05
6.983e-08
d
yr
n .2386550814299909 4.035e-09 deg/d
Q 2.822077651197699 3.1809e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      654  
   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      .47102  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:32:29  

Additional Information
 Earth MOID = 1.35586 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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