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JPL Small-Body Database Browser
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508770 (1995 WY2)
Classification: TransNeptunian Object          SPK-ID: 2508770
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278145182410871 0.00010444  
a 46.21437913512996 0.018475 au
q 40.30751053016238 0.018323 au
i 1.646570124196912 0.00032356 deg
node 78.74330766018949 0.0030457 deg
peri 111.9681766083301 0.13348 deg
M 288.8142821841258 0.12391 deg
tp 2481291.544062882953
(2081-Jun-11.04406288)
25.959 TDB
period 114753.0166622307
314.18
68.812
0.1884
d
yr
n .003137172428849001 1.8812e-06 deg/d
Q 52.12124774009755 0.020837 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1995-12-23  
   last obs. used      2017-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29006  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 10:09:20  

Additional Information
 Earth MOID = 39.3088 au 
 Jupiter MOID = 34.848 au 
 T_jup = 6.022 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1   n/a MPO428378  

508770 (1995 WY2)          Discovered 1995-Nov-18 by Jewitt, D. C., Luu, J. X. at Mauna Kea
Reference: Last Updated: 2018-02-05
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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