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173026 (2006 QL18)
Classification: Main-belt Asteroid          SPK-ID: 2173026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06777591030041993 8.3891e-08  
a 3.067444900112636 3.0811e-08 au
q 2.859546029711121 2.5657e-07 au
i 9.785252974772904 8.1347e-06 deg
node 30.00748658843865 3.6311e-05 deg
peri 312.6936349097406 5.3986e-05 deg
M 191.8523982261605 4.2694e-05 deg
tp 2459917.040708558550
(2022-Dec-03.54070856)
0.00023749 TDB
period 1962.291769851531
5.37
2.9565e-05
8.094e-08
d
yr
n .1834589562729695 2.7641e-09 deg/d
Q 3.27534377051415 3.2899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2001-09-23  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:26:00  

Additional Information
 Earth MOID = 1.86397 au 
 Jupiter MOID = 2.04259 au 
 T_jup = 3.206 
[ 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 15.4   n/a MPO469854  

173026 (2006 QL18)          Discovered 2006-Aug-17 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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