+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190038 (2004 RK88) Classification: Main-belt Asteroid          SPK-ID: 2190038 [ 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 .1815769052497853 4.4199e-08   a 2.677760468239783 2.1451e-08 au q 2.191541009416587 1.1639e-07 au i 8.076380469147075 5.7036e-06 deg node 219.3429539194045 3.6955e-05 deg peri 85.00210814132534 4.062e-05 deg M 301.9618176407457 1.8714e-05 deg tp 2459458.528286001165 (2021-Sep-01.02828600) 8.4819e-05 TDB period 1600.501242189706 4.38 1.9232e-05 5.265e-08 d yr n .2249295348921257 2.7028e-09 deg/d Q 3.163979927062978 2.5346e-08 au   Orbit Determination Parameters    # obs. used (total)      335      data-arc span      6186 days (16.94 yr)      first obs. used      2003-04-26      last obs. used      2020-04-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58789      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 07:06:11   Additional Information  Earth MOID = 1.1928 au   Jupiter MOID = 2.12802 au   T_jup = 3.340  [ 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 16.10   n/a E2021B55   190038 (2004 RK88)          Discovered 2004-Sep-07 by NEAT at Palomar Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 14:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin