+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   392209 (2009 SV346) Classification: Jupiter Trojan          SPK-ID: 2392209 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07587263003556975 1.147e-07   a 5.112744849477547 2.8375e-07 au q 4.724827451046872 7.8666e-07 au i 17.27079371694268 1.2662e-05 deg node 27.07471118939726 3.2638e-05 deg peri 62.17188031058287 0.00013432 deg M 266.4500325031723 0.00013823 deg tp 2460097.788295912492 (2023-Jun-02.28829591) 0.0016911 TDB period 4222.596726630532 11.56 0.00035152 9.624e-07 d yr n .08525559585872791 7.0973e-09 deg/d Q 5.500662247908221 3.0528e-07 au   Orbit Determination Parameters    # obs. used (total)      112      data-arc span      7234 days (19.81 yr)      first obs. used      2001-01-26      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57849      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:12:09   Additional Information  Earth MOID = 3.77993 au   Jupiter MOID = .0237427 au   T_jup = 2.905  [ 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 14.1   n/a MPO476849   392209 (2009 SV346)          Discovered 2009-Sep-25 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-04-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 14:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin