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JPL Small-Body Database Browser
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173143 (1995 SY66)
Classification: Main-belt Asteroid          SPK-ID: 2173143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793135772415804 5.2099e-08  
a 3.086230748987086 2.6605e-08 au
q 2.532827673193249 1.5899e-07 au
i .5323215614734275 8.159e-06 deg
node 23.61199227227506 0.00069683 deg
peri 55.64589551171541 0.00069741 deg
M 61.66456369535975 2.5121e-05 deg
tp 2458261.285678251748
(2018-May-22.78567825)
0.00013723 TDB
period 1980.345736858914
5.42
2.5607e-05
7.011e-08
d
yr
n .1817864392563123 2.3506e-09 deg/d
Q 3.639633824780922 3.1375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1995-09-17  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:18:43  

Additional Information
 Earth MOID = 1.54839 au 
 Jupiter MOID = 1.61785 au 
 T_jup = 3.201 
[ 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 16.6   n/a MPO427056  

173143 (1995 SY66)          Discovered 1995-Sep-17 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 SY66 = 1995 SY89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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