+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441080 (2007 RP155) Classification: Main-belt Asteroid          SPK-ID: 2441080 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1162834270323832 4.6719e-07   a 2.535166849900039 3.3241e-08 au q 2.240368960494771 1.1894e-06 au i 14.36569144846566 1.0975e-05 deg node 344.0620961117199 2.7986e-05 deg peri 167.7207049394907 9.579e-05 deg M 254.4882312684461 0.00012261 deg tp 2459432.622271600969 (2021-Aug-06.12227160) 0.00050422 TDB period 1474.37598332883 4.04 2.8998e-05 7.939e-08 d yr n .2441710961590652 4.8024e-09 deg/d Q 2.829964739305306 3.7107e-08 au   Orbit Determination Parameters    # obs. used (total)      94      data-arc span      6265 days (17.15 yr)      first obs. used      2003-09-16      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51738      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 07:03:43   Additional Information  Earth MOID = 1.25185 au   Jupiter MOID = 2.16219 au   T_jup = 3.396  [ 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 16.6   n/a MPO495184   441080 (2007 RP155)          Discovered 2007-Aug-24 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-09-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 10:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin