+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295879 (2008 WP47) Classification: Main-belt Asteroid          SPK-ID: 2295879 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 .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.arc Last Updated: 2011-09-14 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 03:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin