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(2011 WS95)
Classification: Apollo [NEO]          SPK-ID: 3589714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .535586240840793 4.0144e-06  
a 2.051198251465524 1.6037e-05 au
q .9526046907438965 8.1772e-07 au
i 1.207081957967094 1.3581e-05 deg
node 232.8874740529353 0.00040609 deg
peri 250.7915340076088 0.00042747 deg
M 304.2377735591056 0.012302 deg
tp 2459166.706302551544
(2020-Nov-13.20630255)
0.038616 TDB
period 1073.025105659611
2.94
0.012584
3.445e-05
d
yr
n .3355000718074537 3.9345e-06 deg/d
Q 3.149791812187152 2.4626e-05 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      23 days  
   first obs. used      2011-11-30  
   last obs. used      2011-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .60057  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:49  

Additional Information
 Earth MOID = .0149064 au 
 Jupiter MOID = 1.95182 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455901.5 (2011-Dec-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5357012100113852 3.9833e-06  
q .9555877296595217 4.98e-07 au
tp 2455945.192919671320
(2012-Jan-18.69291967)
4.5377e-05 TDB
node 234.321080737894 0.00038176 deg
peri 249.2487176010121 0.0004011 deg
i 1.236009725151487 1.3753e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      37  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      23 days  
   first obs. used      2011-11-30  
   last obs. used      2011-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .60057  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:49  

Additional Information
 Jupiter MOID = 1.95182 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.58668394840254E-11 -1.766159781994852E-12 -2.70732937546135E-11 -3.629294864975843E-10 5.55675565922887E-10 -4.95901410405343E-12
q -1.766159781994852E-12 2.480041137267481E-13 -7.090045547447625E-12 3.881085998528709E-11 -7.404771722948183E-11 2.945321419112397E-13
tp -2.70732937546135E-11 -7.090045547447625E-12 2.05903190377246E-9 3.611039609329792E-10 2.053302074203468E-9 2.06794396100135E-11
node -3.629294864975843E-10 3.881085998528709E-11 3.611039609329792E-10 1.457399922951635E-7 -1.50268391662667E-7 4.874921183644436E-9
peri 5.55675565922887E-10 -7.404771722948183E-11 2.053302074203468E-9 -1.50268391662667E-7 1.608821872259555E-7 -4.903767504690787E-9
i -4.95901410405343E-12 2.945321419112397E-13 2.06794396100135E-11 4.874921183644436E-9 -4.903767504690787E-9 1.891363530994228E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.9   n/a MPO227508  

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