+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70403 (1999 RK244) Classification: Main-belt Asteroid          SPK-ID: 2070403 [ 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 .1813823176558145 5.1817e-08   a 2.375833202148578 9.7224e-09 au q 1.944899069579234 1.2244e-07 au i .7327908450227181 3.844e-06 deg node 307.9802615335294 0.00045874 deg peri 97.76193724066628 0.00045889 deg M 232.2203189781431 1.2954e-05 deg tp 2459675.268226782051 (2022-Apr-05.76822678) 4.9726e-05 TDB period 1337.587950405846 3.66 8.2106e-06 2.248e-08 d yr n .2691411805038839 1.6521e-09 deg/d Q 2.806767334717922 1.1486e-08 au   Orbit Determination Parameters    # obs. used (total)      654      data-arc span      8058 days (22.06 yr)      first obs. used      1998-05-19      last obs. used      2020-06-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56387      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 12:49:29   Additional Information  Earth MOID = .953569 au   Jupiter MOID = 2.5821 au   T_jup = 3.519  [ 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 16.17   n/a E2021B10   70403 (1999 RK244)          Discovered 1999-Sep-06 by Spacewatch at Kitt Peak Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 02:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin