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JPL Small-Body Database Browser
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17620 (1995 WY)
Classification: Main-belt Asteroid          SPK-ID: 2017620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04606471607299915 3.8588e-08  
a 3.060221117633612 1.7316e-08 au
q 2.919252900729224 1.1406e-07 au
i 10.38465545043172 4.8883e-06 deg
node 70.34851141010854 2.1254e-05 deg
peri 39.91955483183585 5.8787e-05 deg
M 169.6397569435413 5.3494e-05 deg
tp 2458079.090301344787
(2017-Nov-21.59030134)
0.00029112 TDB
period 1955.364105044515
5.35
1.6597e-05
4.544e-08
d
yr
n .1841089335082196 1.5627e-09 deg/d
Q 3.201189334538001 1.8114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1703  
   data-arc span      8577 days (23.48 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:31:54  

Additional Information
 Earth MOID = 1.94408 au 
 Jupiter MOID = 1.94548 au 
 T_jup = 3.207 
[ 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 13.0   n/a MPO474000  

17620 (1995 WY)          Discovered 1995-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WY = 1998 KA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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