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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08503780079467541 5.3536e-08  
a 3.046093043275402 2.6733e-08 au
q 2.787059989859302 1.6851e-07 au
i 11.01124611063825 7.0966e-06 deg
node 29.05686618385225 2.6089e-05 deg
peri 201.0746335920656 4.5929e-05 deg
M 343.8312289795628 3.9358e-05 deg
tp 2459287.714296895180
(2021-Mar-14.21429690)
0.00021265 TDB
period 1941.838797925882
5.32
2.5563e-05
6.999e-08
d
yr
n .185391290144436 2.4405e-09 deg/d
Q 3.305126096691502 2.9006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      10687 days (29.26 yr)  
   first obs. used      1991-11-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:55:21  

Additional Information
 Earth MOID = 1.77951 au 
 Jupiter MOID = 1.68012 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 15.24   n/a E2021B55  
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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