+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2001 SZ269) Classification: Apollo [NEO, PHA]          SPK-ID: 3082929 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6620025983690047 1.2998e-07   a 2.364181490901833 7.2203e-08 au q .7990872009089123 3.3146e-07 au i 2.452160531985965 1.1119e-05 deg node 98.96414822214719 0.00054138 deg peri 191.147808289759 0.00051857 deg M 66.6652763890126 2.8396e-05 deg tp 2458754.623609210020 (2019-Sep-28.12360921) 9.3492e-05 TDB period 1327.760199595923 3.64 6.0825e-05 1.665e-07 d yr n .2711332965919287 1.2421e-08 deg/d Q 3.929275780894755 1.2e-07 au   Orbit Determination Parameters    # obs. used (total)      152      # delay obs. used      1      # Doppler obs. used      1      data-arc span      4087 days (11.19 yr)      first obs. used      2001-02-20      last obs. used      2012-04-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50942      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:16:04   Additional Information  Earth MOID = .033162 au   Jupiter MOID = 1.29352 au   T_jup = 3.210  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 19.6   n/a MPO228303   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-26 18:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin