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173028 (2006 QP18)
Classification: Main-belt Asteroid          SPK-ID: 2173028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08519084077781947 5.5056e-08  
a 3.046793035850697 2.8011e-08 au
q 2.787234175450571 1.7487e-07 au
i 11.01015908891586 7.1741e-06 deg
node 29.0593412106094 2.6657e-05 deg
peri 200.9664349246588 4.7688e-05 deg
M 306.8623581590486 4.1569e-05 deg
tp 2459287.223067773225
(2021-Mar-13.72306777)
0.00022575 TDB
period 1942.508188589066
5.32
2.6788e-05
7.334e-08
d
yr
n .1853274040823914 2.5558e-09 deg/d
Q 3.306351896250823 3.0398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      10419 days (28.53 yr)  
   first obs. used      1991-11-09  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:25:58  

Additional Information
 Earth MOID = 1.78087 au 
 Jupiter MOID = 1.67988 au 
 T_jup = 3.205 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO427055  
diameter diameter 3.065 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173028 (2006 QP18)          Discovered 2006-Aug-17 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2006 QP18 = 2005 CG77 = 2007 TC216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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