+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227256 (2005 SS79) Classification: Main-belt Asteroid          SPK-ID: 2227256 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04474422911941282 6.7216e-08   a 2.422931124151645 1.0354e-08 au q 2.314518938792047 1.6618e-07 au i 3.251785664127242 6.7324e-06 deg node 23.44173807390587 7.0357e-05 deg peri 336.6892678791061 8.4233e-05 deg M 18.01774036768924 4.5395e-05 deg tp 2459131.554193878176 (2020-Oct-09.05419388) 0.00017365 TDB period 1377.558433929191 3.77 8.83e-06 2.418e-08 d yr n .2613319269318956 1.6751e-09 deg/d Q 2.531343309511243 1.0817e-08 au   Orbit Determination Parameters    # obs. used (total)      245      data-arc span      7510 days (20.56 yr)      first obs. used      2000-04-26      last obs. used      2020-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51569      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:11:19   Additional Information  Earth MOID = 1.30943 au   Jupiter MOID = 2.63567 au   T_jup = 3.509  [ 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 17.4   n/a MPO475860   227256 (2005 SS79)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 13:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin