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43786 (1990 QA8)
Classification: Main-belt Asteroid          SPK-ID: 2043786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2519842637125416 3.9278e-08  
a 2.534442845162648 1.0751e-08 au
q 1.895803130902819 9.9095e-08 au
i 3.199006805031772 5.6052e-06 deg
node 148.2893973139698 6.5552e-05 deg
peri 217.6130882405369 6.6976e-05 deg
M 165.9995075088561 1.6002e-05 deg
tp 2458520.942080043964
(2019-Feb-06.44208004)
6.3459e-05 TDB
period 1473.74443970035
4.03
9.3772e-06
2.567e-08
d
yr
n .2442757307862666 1.5543e-09 deg/d
Q 3.173082559422477 1.346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      14069 days (38.52 yr)  
   first obs. used      1982-09-15  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:56  

Additional Information
 Earth MOID = .893759 au 
 Jupiter MOID = 2.2884 au 
 T_jup = 3.402 
[ 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 15.79   n/a E2021B10  

43786 (1990 QA8)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QA8 = 1982 RB2 = 1990 RL8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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