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308607 (2005 WY3)
Classification: Centaur          SPK-ID: 2308607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .733629978248883 6.6883e-07  
a 6.726216743331261 1.6982e-05 au
q 1.791662500223875 6.1287e-07 au
i 29.40318895182342 2.2941e-05 deg
node 190.1140902389051 2.0061e-05 deg
peri 309.1183824080265 3.7067e-05 deg
M 266.8440359924529 0.0010079 deg
tp 2460849.280631835376
(2025-Jun-22.78063184)
0.024082 TDB
period 6371.691107320268
17.44
0.024131
6.607e-05
d
yr
n .05649991406306647 2.1398e-07 deg/d
Q 11.66077098643865 2.9441e-05 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      1329 days (3.64 yr)  
   first obs. used      2005-11-01  
   last obs. used      2009-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .45946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:07:48  

Additional Information
 Earth MOID = .913147 au 
 Jupiter MOID = .227502 au 
 T_jup = 2.120 
[ 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 13.5   n/a MPO212585  

308607 (2005 WY3)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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