+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   201953 (2004 JO47) Classification: Main-belt Asteroid          SPK-ID: 2201953 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1387200283627502 6.1963e-08   a 2.129167871847607 1.1404e-08 au q 1.83380964427585 1.3965e-07 au i 2.151994099292238 4.1848e-06 deg node 167.1960819944202 6.2644e-05 deg peri 180.5655044162974 6.4432e-05 deg M 317.4854032392184 1.1319e-05 deg tp 2459134.513591658247 (2020-Oct-12.01359166) 3.5197e-05 TDB period 1134.78420760828 3.11 9.117e-06 2.496e-08 d yr n .3172409323167718 2.5487e-09 deg/d Q 2.424526099419363 1.2986e-08 au   Orbit Determination Parameters    # obs. used (total)      645      data-arc span      8696 days (23.81 yr)      first obs. used      1997-01-17      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49603      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:21:11   Additional Information  Earth MOID = .826988 au   Jupiter MOID = 2.96415 au   T_jup = 3.710  [ 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 17.2   n/a MPO264480   201953 (2004 JO47)          Discovered 2004-May-13 by Spacewatch at Kitt Peak Reference: 20081212/Numbers.arc Last Updated: 2008-12-12 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 04:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin