+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190794 (2001 RS30) Classification: Main-belt Asteroid          SPK-ID: 2190794 [ 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 .07341912326238374 3.2369e-08   a 2.26834443652217 9.9056e-09 au q 2.101804576735606 7.2711e-08 au i 6.215166651291276 4.768e-06 deg node 318.9946024298962 3.3463e-05 deg peri 96.45263489239704 4.7196e-05 deg M 159.3593249457506 3.3173e-05 deg tp 2458648.121319309592 (2019-Jun-13.62131931) 0.00011452 TDB period 1247.848691102589 3.42 8.1738e-06 2.238e-08 d yr n .2884965160975622 1.8897e-09 deg/d Q 2.434884296308733 1.0633e-08 au   Orbit Determination Parameters    # obs. used (total)      683      data-arc span      7829 days (21.43 yr)      first obs. used      1998-11-14      last obs. used      2020-04-21      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52293      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:09:09   Additional Information  Earth MOID = 1.12332 au   Jupiter MOID = 2.77136 au   T_jup = 3.603  [ 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 16.25   n/a E2021B55   190794 (2001 RS30)          Discovered 2001-Sep-07 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-16 22:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin