+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   49176 (1998 SS65) Classification: Main-belt Asteroid          SPK-ID: 2049176 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2445468744423332 4.7651e-08   a 2.595019748180555 8.8166e-09 au q 1.96041577964687 1.2083e-07 au i 3.740041640690541 3.5462e-06 deg node 130.2264941229151 7.8949e-05 deg peri 240.0392903967837 7.9427e-05 deg M 71.96802845354603 8.7944e-06 deg tp 2458695.256424298086 (2019-Jul-30.75642430) 3.6934e-05 TDB period 1526.895895496419 4.18 7.7815e-06 2.13e-08 d yr n .2357724590535742 1.2016e-09 deg/d Q 3.22962371671424 1.0973e-08 au   Orbit Determination Parameters    # obs. used (total)      809      data-arc span      8804 days (24.10 yr)      first obs. used      1996-02-10      last obs. used      2020-03-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48654      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:33:55   Additional Information  Earth MOID = .963187 au   Jupiter MOID = 2.23731 au   T_jup = 3.372  [ 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 15.3   n/a MPO449315   49176 (1998 SS65)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 21:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin