+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160761 (2000 SE105) Classification: Mars-crossing Asteroid          SPK-ID: 2160761 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2956646256560278 5.6742e-08   a 2.325039556696631 1.0501e-08 au q 1.637607606530465 1.3522e-07 au i 5.167541898093154 4.1039e-06 deg node 39.25081785395223 5.933e-05 deg peri 286.0202919099324 5.9778e-05 deg M 280.4390560788142 8.0071e-06 deg tp 2459486.681379129611 (2021-Sep-29.18137913) 3.0108e-05 TDB period 1294.923003788369 3.55 8.773e-06 2.402e-08 d yr n .2780088074324111 1.8835e-09 deg/d Q 3.012471506862798 1.3606e-08 au   Orbit Determination Parameters    # obs. used (total)      378      data-arc span      7144 days (19.56 yr)      first obs. used      2000-09-01      last obs. used      2020-03-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61449      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 12:24:34   Additional Information  Earth MOID = .633817 au   Jupiter MOID = 2.35966 au   T_jup = 3.510  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.63   n/a E2021B55   160761 (2000 SE105)          Discovered 2000-Sep-24 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 16:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin