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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457420.5 (2016-Feb-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08580349892262128 7.3712e-08  
q 4.80410219311073 6.1278e-07 au
tp 2455681.076714151381
(2011-Apr-29.57671415)
0.00096065 TDB
node 318.1783903728505 4.9038e-05 deg
peri 133.7487564846556 9.9153e-05 deg
i 7.775973877195105 1.0047e-05 deg
  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
 Jupiter MOID = .418012 au 
 T_jup = 2.974 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.433408287040271E-15 -4.034252645666061E-14 -3.192381808980588E-12 2.095992930306001E-15 -7.457790983234754E-13 1.04656911653762E-16
q -4.034252645666061E-14 3.755024377615886E-13 2.150223732815253E-10 -4.742390817673383E-14 2.403655372782637E-11 1.723504606896501E-15
tp -3.192381808980588E-12 2.150223732815253E-10 9.228430231403262E-7 -1.365590258517498E-10 8.231171957803265E-8 -3.836598054315248E-11
node 2.095992930306001E-15 -4.742390817673383E-14 -1.365590258517498E-10 2.40474698999003E-9 -2.395091046515402E-9 1.412978762330532E-10
peri -7.457790983234754E-13 2.403655372782637E-11 8.231171957803265E-8 -2.395091046515402E-9 9.831241478948902E-9 -1.430246754712654E-10
i 1.04656911653762E-16 1.723504606896501E-15 -3.836598054315248E-11 1.412978762330532E-10 -1.430246754712654E-10 1.009482602099841E-10

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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