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295879 (2008 WP47)
Classification: Main-belt Asteroid          SPK-ID: 2295879
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762617517886095 4.423e-08  
a 2.406000806906313 1.7459e-08 au
q 1.981914889876198 1.0586e-07 au
i 2.23507214120629 5.6265e-06 deg
node 78.31535834601908 0.00017497 deg
peri 216.7360178503454 0.00017658 deg
M 202.4901402024623 2.5982e-05 deg
tp 2459796.913306001051
(2022-Aug-05.41330600)		 0.00010212 TDB
period 1363.145078259634
3.73		 1.4837e-05
4.062e-08		 d
yr
n .2640951471281562 2.8746e-09 deg/d
Q 2.830086723936428 2.0536e-08 au
   Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      2000-09-30  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:16:16  

Additional Information
 Earth MOID = .964474 au 
 Jupiter MOID = 2.3616 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457284.5 (2015-Sep-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768982072027661 4.4122e-08  
q 1.979945475067232 1.0559e-07 au
tp 2457071.793418881554
(2015-Feb-18.29341888)		 8.75e-05 TDB
node 78.32468074944869 0.00017501 deg
peri 216.8646911568829 0.00017661 deg
i 2.235273453171466 5.6275e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      2000-09-30  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:16:16  

Additional Information
 Jupiter MOID = 2.3616 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.946752270226792E-15 -4.616187619119508E-15 5.779094339587453E-13 2.405691661300298E-14 2.195446074626692E-14 -1.260004150684954E-15
q -4.616187619119508E-15 1.11482888524276E-14 -9.480423954775122E-13 -6.476837261175248E-14 7.69417139348577E-14 2.951606869042281E-15
tp 5.779094339587453E-13 -9.480423954775122E-13 7.6562687306485E-9 -8.152631860066332E-12 2.11647088008844E-9 -5.600098929415201E-12
node 2.405691661300298E-14 -6.476837261175248E-14 -8.152631860066332E-12 3.062853063189748E-8 -3.060955034483283E-8 -5.132985247329912E-10
peri 2.195446074626692E-14 7.69417139348577E-14 2.11647088008844E-9 -3.060955034483283E-8 3.119228827265861E-8 5.114407748854884E-10
i -1.260004150684954E-15 2.951606869042281E-15 -5.600098929415201E-12 -5.132985247329912E-10 5.114407748854884E-10 3.166917200432218E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO507341  

295879 (2008 WP47)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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