+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190801 (2001 RF70) Classification: Main-belt Asteroid          SPK-ID: 2190801 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1839811155428829 4.3145e-08   a 2.33942788141032 1.0232e-08 au q 1.909017330056327 1.0115e-07 au i 3.91807524399069 4.4519e-06 deg node 254.1803895165259 6.3846e-05 deg peri 65.93158918097859 6.5641e-05 deg M 171.6506901369945 1.3157e-05 deg tp 2458577.330811453183 (2019-Apr-03.83081145) 4.6229e-05 TDB period 1306.961875293409 3.58 8.5747e-06 2.348e-08 d yr n .2754479735066342 1.8072e-09 deg/d Q 2.769838432764314 1.2115e-08 au   Orbit Determination Parameters    # obs. used (total)      511      data-arc span      7136 days (19.54 yr)      first obs. used      2001-08-28      last obs. used      2021-03-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52072      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:09:10   Additional Information  Earth MOID = .89817 au   Jupiter MOID = 2.53855 au   T_jup = 3.539  [ 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 16.4   n/a MPO503009   190801 (2001 RF70)          Discovered 2001-Sep-10 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-19 06:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin