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266898 (2009 WY105)
Classification: Jupiter Trojan          SPK-ID: 2266898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08563556050940233 7.3976e-08  
a 5.260464104802026 3.491e-07 au
q 4.809981312647713 6.1813e-07 au
i 7.77649211342061 1.0047e-05 deg
node 318.1572878676773 4.9014e-05 deg
peri 133.0618562779695 9.9169e-05 deg
M 272.337162623958 9.8283e-05 deg
tp 2460073.618153417084
(2023-May-09.11815342)
0.0012894 TDB
period 4406.913428696879
12.07
0.00043868
1.201e-06
d
yr
n .0816898279997417 8.1317e-09 deg/d
Q 5.710946896956338 3.7899e-07 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      4396 days (12.04 yr)  
   first obs. used      2007-09-12  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:07:12  

Additional Information
 Earth MOID = 3.83258 au 
 Jupiter MOID = .418012 au 
 T_jup = 2.974 
[ 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 13.7   n/a MPO454984  

266898 (2009 WY105)          Discovered 2008-Aug-24 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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