+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190538 (2000 RS48) Classification: Inner Main-belt Asteroid          SPK-ID: 2190538 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08891398532804168 4.7097e-08   a 1.924280622355188 7.0148e-09 au q 1.753185163332064 9.0129e-08 au i 20.55469697610223 7.3688e-06 deg node 217.0267500850979 1.2027e-05 deg peri 131.5468904700756 4.0684e-05 deg M 242.768226203976 3.9581e-05 deg tp 2459518.000104129401 (2021-Oct-30.50010413) 0.00010777 TDB period 974.9919649382709 2.67 5.3314e-06 1.46e-08 d yr n .3692338121194593 2.019e-09 deg/d Q 2.095376081378312 7.6385e-09 au   Orbit Determination Parameters    # obs. used (total)      560      data-arc span      7206 days (19.73 yr)      first obs. used      2000-09-03      last obs. used      2020-05-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55231      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:08:05   Additional Information  Earth MOID = .788096 au   Jupiter MOID = 3.16728 au   T_jup = 3.838  [ 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 16.32   n/a E2021B55   190538 (2000 RS48)          Discovered 2000-Sep-03 by LINEAR at Socorro Reference: 20080917/Numbers.arc Last Updated: 2008-09-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 16:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin