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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066405650005615 4.2234e-08  
a 2.743448533777053 1.8948e-08 au
q 2.450885632085106 1.1486e-07 au
i 17.05962763109408 7.3776e-06 deg
node 353.0722925699647 1.5364e-05 deg
peri 240.205624024359 3.6411e-05 deg
M 69.67695063306761 3.4168e-05 deg
tp 2458279.259503866592
(2018-Jun-09.75950387)
0.00015677 TDB
period 1659.753728561464
4.54
1.7195e-05
4.708e-08
d
yr
n .2168996483062688 2.2471e-09 deg/d
Q 3.036011435469 2.0969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      6636 days (18.17 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:47:53  

Additional Information
 Earth MOID = 1.48919 au 
 Jupiter MOID = 2.05749 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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