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357912 (2005 WY2)
Classification: Main-belt Asteroid          SPK-ID: 2357912
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594964721088256 6.0552e-08  
a 3.114705844918256 5.0225e-08 au
q 2.617921250997055 1.9656e-07 au
i 13.47213234731897 7.2255e-06 deg
node 14.45376148839824 2.7203e-05 deg
peri 33.49162798214603 3.6192e-05 deg
M 245.6823865349415 2.9626e-05 deg
tp 2459638.079922010936
(2022-Feb-27.57992201)
0.00017579 TDB
period 2007.816337016981
5.50
4.8565e-05
1.33e-07
d
yr
n .1792992682462447 4.3369e-09 deg/d
Q 3.611490438839457 5.8236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5358 days (14.67 yr)  
   first obs. used      2005-09-29  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:34:57  

Additional Information
 Earth MOID = 1.63761 au 
 Jupiter MOID = 1.90295 au 
 T_jup = 3.156 
[ 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 15.5   n/a MPO437512  

357912 (2005 WY2)          Discovered 2005-Nov-20 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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