Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2005 WK56)
Classification: Apollo [NEO]          SPK-ID: 3305029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .392681038593265 8.0238e-07  
a 1.621101614156075 2.1609e-06 au
q .984525748644049 1.1763e-07 au
i 5.348392672706969 1.7027e-05 deg
node 76.452412590866 2.195e-05 deg
peri 321.6849144240738 5.4616e-05 deg
M 209.0747598663665 0.0053655 deg
tp 2459712.562636802270
(2022-May-13.06263680)
0.011868 TDB
period 753.900070976006
2.06
0.0015074
4.127e-06
d
yr
n .4775168671014193 9.5478e-07 deg/d
Q 2.257677479668101 3.0094e-06 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      26 days  
   first obs. used      2005-11-30  
   last obs. used      2005-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .42956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 23:14:02  

Additional Information
 Earth MOID = .0314619 au 
 Jupiter MOID = 3.17366 au 
 T_jup = 4.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2453712.5 (2005-Dec-08.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3931042245895796 7.9171e-07  
q .9838929388184461 1.1729e-07 au
tp 2453680.164262678155
(2005-Nov-05.66426268)
4.5071e-05 TDB
node 76.53269842027376 2.1802e-05 deg
peri 321.4971686389063 5.445e-05 deg
i 5.348442765799919 1.7023e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      26 days  
   first obs. used      2005-11-30  
   last obs. used      2005-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .42956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 23:14:02  

Additional Information
 Jupiter MOID = 3.17366 au 
 T_jup = 4.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.268113154589779E-13 7.696043423492658E-16 2.379890380347293E-11 -1.253322559533617E-12 2.108789594481213E-11 1.373426670007342E-12
q 7.696043423492658E-16 1.375755343242607E-14 3.931400192604109E-12 -4.777479339281561E-14 5.011203785603799E-12 -5.949371369427024E-13
tp 2.379890380347293E-11 3.931400192604109E-12 2.031350299170645E-9 -4.488239899623779E-11 2.217446525461193E-9 -1.185633442468424E-10
node -1.253322559533617E-12 -4.777479339281561E-14 -4.488239899623779E-11 4.753305163741161E-10 -5.108933030137901E-10 -2.378181864700926E-10
peri 2.108789594481213E-11 5.011203785603799E-12 2.217446525461193E-9 -5.108933030137901E-10 2.964819404756065E-9 6.767359489180971E-11
i 1.373426670007342E-12 -5.949371369427024E-13 -1.185633442468424E-10 -2.378181864700926E-10 6.767359489180971E-11 2.897956666846148E-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 22.6   n/a MPO97989  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 09:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin