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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2643529684638675 6.4771e-08  
a 2.866113247253806 2.2233e-08 au
q 2.108447702388648 1.8167e-07 au
i 13.19547488610712 6.982e-06 deg
node 241.8533984226208 2.4494e-05 deg
peri 129.7979026673642 2.894e-05 deg
M 89.69782892172495 2.0828e-05 deg
tp 2458558.911375631036
(2019-Mar-16.41137563)
9.8729e-05 TDB
period 1772.304934064284
4.85
2.0622e-05
5.646e-08
d
yr
n .203125316124038 2.3635e-09 deg/d
Q 3.623778792118964 2.811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7897 days (21.62 yr)  
   first obs. used      1998-06-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:30  

Additional Information
 Earth MOID = 1.13698 au 
 Jupiter MOID = 1.99105 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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