+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160898 (2001 SY262) Classification: Mars-crossing Asteroid          SPK-ID: 2160898 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1091080419637535 5.6363e-08   a 1.860276558775918 6.9566e-09 au q 1.657305425936809 1.0302e-07 au i 20.59427811649998 5.7158e-06 deg node 218.9637945290228 1.5171e-05 deg peri 110.02441728 3.4712e-05 deg M 236.5325997940082 3.4426e-05 deg tp 2459518.344353052935 (2021-Oct-30.84435305) 8.967e-05 TDB period 926.7544866754532 2.54 5.1985e-06 1.423e-08 d yr n .3884523950797672 2.179e-09 deg/d Q 2.063247691615028 7.7157e-09 au   Orbit Determination Parameters    # obs. used (total)      256      data-arc span      7962 days (21.80 yr)      first obs. used      1998-05-01      last obs. used      2020-02-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55965      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:03:16   Additional Information  Earth MOID = .732117 au   Jupiter MOID = 3.19174 au   T_jup = 3.910  [ 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 17.40   n/a E2020-QM9   160898 (2001 SY262)          Discovered 2001-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-17 18:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin