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173708 (2001 QS94)
Classification: Main-belt Asteroid          SPK-ID: 2173708
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063821086900108 4.1941e-08  
a 2.743592969183912 1.8666e-08 au
q 2.45172376373504 1.1368e-07 au
i 17.05871376341624 7.3621e-06 deg
node 353.0694631605366 1.5084e-05 deg
peri 240.1951737845756 3.6311e-05 deg
M 156.4742936666892 3.4463e-05 deg
tp 2458279.029716409328
(2018-Jun-09.52971641)
0.00015711 TDB
period 1659.884802841159
4.54
1.6939e-05
4.638e-08
d
yr
n .2168825206326381 2.2133e-09 deg/d
Q 3.035462174632784 2.0651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      6658 days (18.23 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:03:10  

Additional Information
 Earth MOID = 1.48983 au 
 Jupiter MOID = 2.05649 au 
 T_jup = 3.277 
[ 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 15.3   n/a MPO449898  
diameter diameter 3.540 km 1.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173708 (2001 QS94)          Discovered 2001-Aug-23 by Yeung, W. K. Y. at Desert Eagle
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 QS94 = 2004 CB101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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