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JPL Small-Body Database Browser
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268319 (2005 QR166)
Classification: Main-belt Asteroid          SPK-ID: 2268319
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976994779356048 8.0996e-08  
a 3.174553968251574 5.1334e-08 au
q 2.546946306049835 2.5358e-07 au
i 23.65488983017955 8.0802e-06 deg
node 285.1820651009936 2.4987e-05 deg
peri 25.84179465461462 3.6087e-05 deg
M 155.2926550776676 2.8398e-05 deg
tp 2457709.308751139808
(2016-Nov-16.80875114)		 0.00015268 TDB
period 2065.962806993098
5.66		 5.0112e-05
1.372e-07		 d
yr
n .1742528949608543 4.2267e-09 deg/d
Q 3.802161630453312 6.1483e-08 au
   Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4947 days (13.54 yr)  
   first obs. used      2005-06-30  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:38:27  

Additional Information
 Earth MOID = 1.5471 au 
 Jupiter MOID = 1.48804 au 
 T_jup = 3.042 
[ 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 15.0   n/a MPO338801  
diameter diameter 6.457 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268319 (2005 QR166)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 QR166 = 2010 DP56 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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