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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7336466005149241 6.9478e-07  
a 6.72356377197401 1.7599e-05 au
q 1.790844067319977 6.1294e-07 au
i 29.41299278118123 2.2955e-05 deg
node 190.1021719270309 2.0236e-05 deg
peri 309.1564181512432 3.7036e-05 deg
M 255.4544838184929 0.00099951 deg
tp 2460849.771301641234
(2025-Jun-23.27130164)
0.02494 TDB
period 6367.921771365318
17.43
0.025002
6.845e-05
d
yr
n .05653335780895028 2.2196e-07 deg/d
Q 11.65628347662804 3.051e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .45526  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:03:43  

Additional Information
 Earth MOID = .912413 au 
 Jupiter MOID = .227678 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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