+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382875 (2004 KE1) Classification: Amor [NEO]          SPK-ID: 2382875 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1807216881426698 3.9846e-08   a 1.298634850304188 4.8664e-09 au q 1.063943367876311 4.9338e-08 au i 2.883480481978201 4.1242e-06 deg node 42.76686426339901 5.6348e-05 deg peri 283.6712064755274 6.2223e-05 deg M 228.4340329129407 3.3818e-05 deg tp 2459198.046831670660 (2020-Dec-14.54683167) 5.1834e-05 TDB period 540.5414559403378 1.48 3.0384e-06 8.319e-09 d yr n .6659988721378198 3.7436e-09 deg/d Q 1.533326332732064 5.7459e-09 au   Orbit Determination Parameters    # obs. used (total)      128      data-arc span      5731 days (15.69 yr)      first obs. used      2004-04-21      last obs. used      2019-12-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66035      source      ORB      producer      Otto Matic      solution date      2019-Dec-31 06:20:55   Additional Information  Earth MOID = .0730108 au   Jupiter MOID = 3.73225 au   T_jup = 4.988  [ hide covariance matrix ] Orbital Elements at Epoch 2456208.5 (2012-Oct-08.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1808355823297519 3.9897e-08   q 1.063986790408596 4.9256e-08 au tp 2455954.347465428305 (2012-Jan-27.84746543) 3.4556e-05 TDB node 42.80063107199361 5.6328e-05 deg peri 283.6234071862033 6.2202e-05 deg i 2.884202879010708 4.1245e-06 deg   Orbit Determination Parameters    # obs. used (total)      128      data-arc span      5731 days (15.69 yr)      first obs. used      2004-04-21      last obs. used      2019-12-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66035      source      ORB      producer      Otto Matic      solution date      2019-Dec-31 06:20:55   Additional Information  Jupiter MOID = 3.73225 au   T_jup = 4.988  Orbit Covariance (6×6)   e q tp node peri i e 1.591757391925103E-15 -1.960945825337109E-15 6.386244179923889E-13 -2.72106636549685E-13 5.52980088919484E-13 -4.44958394939826E-14 q -1.960945825337109E-15 2.426170483724714E-15 -7.007576502115884E-13 3.282094628839002E-13 -6.203796901181907E-13 5.45297174632275E-14 tp 6.386244179923889E-13 -7.007576502115884E-13 1.194098333285979E-9 -2.148050968942607E-10 9.46059631807008E-10 -2.45586679102847E-11 node -2.72106636549685E-13 3.282094628839002E-13 -2.148050968942607E-10 3.172844944861628E-9 -3.28810949993633E-9 3.728723877266117E-11 peri 5.52980088919484E-13 -6.203796901181907E-13 9.46059631807008E-10 -3.28810949993633E-9 3.86904752896418E-9 -4.942124955624475E-11 i -4.44958394939826E-14 5.45297174632275E-14 -2.45586679102847E-11 3.728723877266117E-11 -4.942124955624475E-11 1.701165798779211E-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 21.6   n/a MPO528343   382875 (2004 KE1)          Discovered 2004-May-19 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-01-21 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 18:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin