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117160 (2004 QR17)
Classification: Main-belt Asteroid          SPK-ID: 2117160
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .201396850145229 6.9953e-08  
a 2.617830793633265 2.3282e-08 au
q 2.090607917582341 1.8609e-07 au
i 11.10565803938485 6.9976e-06 deg
node 280.9653147397173 2.9749e-05 deg
peri 38.53483699610914 3.2423e-05 deg
M 203.838320458856 1.7721e-05 deg
tp 2459271.593071941579
(2021-Feb-26.09307194)
8.2453e-05 TDB
period 1547.072922171766
4.24
2.0639e-05
5.651e-08
d
yr
n .2326974991551371 3.1043e-09 deg/d
Q 3.14505366968419 2.7971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7251 days (19.85 yr)  
   first obs. used      1999-06-15  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:05:39  

Additional Information
 Earth MOID = 1.08825 au 
 Jupiter MOID = 2.17721 au 
 T_jup = 3.351 
[ 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 MPO432677  
diameter diameter 5.311 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117160 (2004 QR17)          Discovered 2004-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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