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(2007 WD5)
Classification: Apollo [NEO]          SPK-ID: 3395991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5950732783048971 0.00018771  
a 2.453255363636095 0.02254 au
q .9933886518780914 0.0095874 au
i 2.442989205219119 0.022027 deg
node 68.28107315575768 0.33556 deg
peri 310.1079903762202 0.88659 deg
M 152.9413299443079 15.984 deg
tp 2458604.241032043755
(2019-Apr-30.74103204)
54.1 TDB
period 1403.500470032606
3.84
19.342
0.05296
d
yr
n .2565015172325781 0.003535 deg/d
Q 3.913122075394099 0.035953 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      62 days  
   first obs. used      2007-11-08  
   last obs. used      2008-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43939  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:05:00  

Additional Information
 Earth MOID = .0267403 au 
 Jupiter MOID = 1.5503 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454448.5 (2007-Dec-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6030615572764073 7.105e-05  
q 1.010174150835186 1.7797e-06 au
tp 2454392.143454253514
(2007-Oct-18.64345425)
6.0727e-05 TDB
node 67.4240619095458 0.00014107 deg
peri 312.8221972450431 0.00053554 deg
i 2.377499672288228 0.00021351 deg
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      62 days  
   first obs. used      2007-11-08  
   last obs. used      2008-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43939  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:05:00  

Additional Information
 Jupiter MOID = 1.5503 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.048043358476317E-9 1.233203643983117E-10 2.754423665279258E-9 8.155998373986323E-9 -3.746639794899082E-8 1.51505001054722E-8
q 1.233203643983117E-10 3.167181600402409E-12 8.412975949159785E-11 2.068812516493896E-10 -8.983230193094972E-10 3.720134953428685E-10
tp 2.754423665279258E-9 8.412975949159785E-11 3.687800320338034E-9 5.225988063053285E-9 -1.81622709946696E-8 8.444196724885582E-9
node 8.155998373986323E-9 2.068812516493896E-10 5.225988063053285E-9 1.990157276804369E-8 -6.609679665965456E-8 2.402425318116387E-8
peri -3.746639794899082E-8 -8.983230193094972E-10 -1.81622709946696E-8 -6.609679665965456E-8 2.868014467708683E-7 -1.117239445378061E-7
i 1.51505001054722E-8 3.720134953428685E-10 8.444196724885582E-9 2.402425318116387E-8 -1.117239445378061E-7 4.558818844832904E-8

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 24.3   n/a MPO143292  

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