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JPL Small-Body Database Browser
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117161 (2004 QT17)
Classification: Main-belt Asteroid          SPK-ID: 2117161
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2641040719708398 6.5087e-08  
a 2.865668033852995 2.2794e-08 au
q 2.108833437195748 1.8304e-07 au
i 13.1967479410223 7.0961e-06 deg
node 241.8570857996773 2.4874e-05 deg
peri 129.8012730354974 2.9316e-05 deg
M 8.457118370859178 2.0402e-05 deg
tp 2458558.874721311089
(2019-Mar-16.37472131)
0.00010005 TDB
period 1771.89199333456
4.85
2.114e-05
5.788e-08
d
yr
n .2031726546280671 2.4241e-09 deg/d
Q 3.622502630510241 2.8813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      7827 days (21.43 yr)  
   first obs. used      1998-06-20  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:00:07  

Additional Information
 Earth MOID = 1.13662 au 
 Jupiter MOID = 1.9895 au 
 T_jup = 3.209 
[ 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 14.7   n/a MPO453642  
diameter diameter 3.358 km 0.740 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117161 (2004 QT17)          Discovered 2004-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 QT17 = 1998 MZ14 = 2000 AC146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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