+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70182 (1999 RS1) Classification: Main-belt Asteroid          SPK-ID: 2070182 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1230760287346618 3.4815e-08   a 2.256697760132017 7.5879e-09 au q 1.978952361760562 7.9588e-08 au i 3.874624806266986 4.423e-06 deg node 340.9821697784101 5.8212e-05 deg peri 104.8017253876475 6.1998e-05 deg M 322.9888768007403 2.263e-05 deg tp 2459127.802897314773 (2020-Oct-05.30289732) 7.8179e-05 TDB period 1238.250533132567 3.39 6.2452e-06 1.71e-08 d yr n .2907327639821485 1.4663e-09 deg/d Q 2.534443158503472 8.5217e-09 au   Orbit Determination Parameters    # obs. used (total)      1169      data-arc span      7387 days (20.22 yr)      first obs. used      1999-08-12      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52168      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 16:05:31   Additional Information  Earth MOID = .999401 au   Jupiter MOID = 2.64154 au   T_jup = 3.610  [ 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 15.2   n/a MPO449443   70182 (1999 RS1)          Discovered 1999-Sep-05 by Korlevic, K. at Visnjan Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-18 20:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin