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JPL Small-Body Database Browser
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277508 (2005 WN172)
Classification: Main-belt Asteroid          SPK-ID: 2277508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927636851741973 7.6017e-08  
a 2.317491170064947 2.1874e-08 au
q 1.870763031764566 1.7461e-07 au
i 2.257245370685283 9.1992e-06 deg
node 204.8112632787079 0.0001757 deg
peri 68.83555433509886 0.00017795 deg
M 68.33915461594906 2.4846e-05 deg
tp 2458355.879606557174
(2018-Aug-25.37960656)
8.8179e-05 TDB
period 1288.62205179906
3.53
1.8245e-05
4.995e-08
d
yr
n .2793681820805409 3.9554e-09 deg/d
Q 2.764219308365329 2.6091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:55  

Additional Information
 Earth MOID = .855451 au 
 Jupiter MOID = 2.34725 au 
 T_jup = 3.554 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO348752  

277508 (2005 WN172)          Discovered 2005-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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