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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063820616068715 4.1642e-08  
a 2.74359298052406 1.8489e-08 au
q 2.451723903045769 1.131e-07 au
i 17.05872039269129 7.077e-06 deg
node 353.0694681263774 1.4902e-05 deg
peri 240.1951586502414 3.5361e-05 deg
M 156.4743061484131 3.3778e-05 deg
tp 2458279.029654385604
(2018-Jun-09.52965439)
0.00015371 TDB
period 1659.884813132411
4.54
1.6779e-05
4.594e-08
d
yr
n .2168825192879708 2.1923e-09 deg/d
Q 3.035462058002351 2.0456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      6999 days (19.16 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:19  

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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