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173818 (2001 SR315)
Classification: Main-belt Asteroid          SPK-ID: 2173818
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330533312268188 4.453e-08  
a 3.161514475323517 2.7613e-08 au
q 2.424712995127563 1.3683e-07 au
i 15.21542784593724 7.4696e-06 deg
node 347.0358741144442 1.8607e-05 deg
peri 91.75313269868838 2.4568e-05 deg
M 92.40747572445144 1.5501e-05 deg
tp 2458473.457309041921
(2018-Dec-20.95730904)
8.6049e-05 TDB
period 2053.246961432835
5.62
2.69e-05
7.365e-08
d
yr
n .1753320505336475 2.297e-09 deg/d
Q 3.898315955519471 3.4048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Earth MOID = 1.49727 au 
 Jupiter MOID = 1.6872 au 
 T_jup = 3.109 
[ 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 14.5   n/a MPO459807  

173818 (2001 SR315)          Discovered 2001-Sep-25 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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