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173723 (2001 QE195)
Classification: Main-belt Asteroid          SPK-ID: 2173723
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837472873758849 5.0775e-08  
a 3.133634451508662 2.6971e-08 au
q 2.557837621416326 1.5978e-07 au
i 10.20867766813511 7.312e-06 deg
node 324.7325420961819 3.1436e-05 deg
peri 72.2559619779325 3.6502e-05 deg
M 116.1964504050521 1.8933e-05 deg
tp 2458346.524788027247
(2018-Aug-16.02478803)
0.00010356 TDB
period 2026.146887357541
5.55
2.6159e-05
7.162e-08
d
yr
n .1776771478150355 2.2939e-09 deg/d
Q 3.709431281600998 3.1927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-08-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:08:27  

Additional Information
 Earth MOID = 1.5872 au 
 Jupiter MOID = 1.92457 au 
 T_jup = 3.162 
[ 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 15.2   n/a MPO338380  

173723 (2001 QE195)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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