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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763039230857355 4.5929e-08  
a 2.405883115321997 1.7626e-08 au
q 1.981716483604998 1.0941e-07 au
i 2.235236268522731 6.0791e-06 deg
node 78.31842665931508 0.00018522 deg
peri 216.6929696414974 0.00018693 deg
M 149.725133419738 2.6496e-05 deg
tp 2458433.605267995428
(2018-Nov-11.10526800)
9.7476e-05 TDB
period 1363.045060374227
3.73
1.4979e-05
4.101e-08
d
yr
n .2641145259725758 2.9025e-09 deg/d
Q 2.830049747038996 2.0734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6998 days (19.16 yr)  
   first obs. used      2000-09-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:59  

Additional Information
 Earth MOID = .96624 au 
 Jupiter MOID = 2.36218 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457180.5 (2015-Jun-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768867545940708 4.5764e-08  
q 1.979990341303947 1.0898e-07 au
tp 2457071.812850409446
(2015-Feb-18.31285041)
9.19e-05 TDB
node 78.32608796925251 0.00018529 deg
peri 216.8715557355782 0.00018698 deg
i 2.235268643538865 6.0794e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6998 days (19.16 yr)  
   first obs. used      2000-09-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:59  

Additional Information
 Jupiter MOID = 2.36218 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.094376273342463E-15 -4.944170275402136E-15 2.376720022344305E-13 3.846484576778336E-14 -1.070610924419053E-13 -1.535774189879504E-15
q -4.944170275402136E-15 1.187690598664163E-14 -1.927480766466178E-13 -9.755524040710649E-14 3.642175704107091E-13 3.595792086124925E-15
tp 2.376720022344305E-13 -1.927480766466178E-13 8.445566334794511E-9 2.225577602438063E-11 2.35179400298408E-9 -7.371754737900551E-12
node 3.846484576778336E-14 -9.755524040710649E-14 2.225577602438063E-11 3.433064238012407E-8 -3.430137455815815E-8 -6.532223796719895E-10
peri -1.070610924419053E-13 3.642175704107091E-13 2.35179400298408E-9 -3.430137455815815E-8 3.496329736990891E-8 6.507663109260113E-10
i -1.535774189879504E-15 3.595792086124925E-15 -7.371754737900551E-12 -6.532223796719895E-10 6.507663109260113E-10 3.695969722405779E-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 17.4   n/a MPO450205  

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

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