+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214887 (2007 RT270) Classification: Main-belt Asteroid          SPK-ID: 2214887 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .1651411080720313 4.8678e-08   a 3.194724598745772 2.9971e-08 au q 2.66714423852392 1.5622e-07 au i 1.390741593251237 5.308e-06 deg node 44.74758442227303 0.00024788 deg peri 66.18692433132645 0.00024872 deg M 40.90430116307037 1.8603e-05 deg tp 2458763.518173720674 (2019-Oct-07.01817372) 0.00010716 TDB period 2085.684268762937 5.71 2.935e-05 8.036e-08 d yr n .1726052238067287 2.4289e-09 deg/d Q 3.722304958967625 3.492e-08 au   Orbit Determination Parameters    # obs. used (total)      304      data-arc span      7203 days (19.72 yr)      first obs. used      2000-08-01      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52354      source      ORB      producer      Otto Matic      solution date      2020-May-21 09:12:41   Additional Information  Earth MOID = 1.68419 au   Jupiter MOID = 1.39987 au   T_jup = 3.174  [ hide covariance matrix ] Orbital Elements at Epoch 2457667.5 (2016-Oct-06.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1659304087947213 4.8763e-08   q 2.663525648413767 1.5643e-07 au tp 2456679.781869453976 (2014-Jan-22.28186945) 0.00010542 TDB node 44.74902552059454 0.00024784 deg peri 66.47005742065434 0.00024867 deg i 1.391214445382856 5.3091e-06 deg   Orbit Determination Parameters    # obs. used (total)      304      data-arc span      7203 days (19.72 yr)      first obs. used      2000-08-01      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52354      source      ORB      producer      Otto Matic      solution date      2020-May-21 09:12:41   Additional Information  Jupiter MOID = 1.39987 au   T_jup = 3.174  Orbit Covariance (6×6)   e q tp node peri i e 2.377787565424982E-15 -7.531161874958177E-15 1.489910810452405E-12 1.559000859030625E-14 3.10382417920154E-13 -8.482599611954764E-16 q -7.531161874958177E-15 2.446934266204982E-14 -5.034418918402789E-12 -4.600834133336323E-14 -9.801192558916971E-13 2.778371469129048E-15 tp 1.489910810452405E-12 -5.034418918402789E-12 1.111351513875802E-8 2.959965310760702E-12 2.176973616086727E-9 -1.039224116199878E-12 node 1.559000859030625E-14 -4.600834133336323E-14 2.959965310760702E-12 6.142235361088576E-8 -6.140280022697279E-8 -2.354157762104232E-10 peri 3.10382417920154E-13 -9.801192558916971E-13 2.176973616086727E-9 -6.140280022697279E-8 6.183481820913651E-8 2.351464326415173E-10 i -8.482599611954764E-16 2.778371469129048E-15 -1.039224116199878E-12 -2.354157762104232E-10 2.351464326415173E-10 2.818619018030599E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.0   n/a MPO470307   214887 (2007 RT270)          Discovered 2007-Sep-15 by Mt. Lemmon Survey at Mount Lemmon Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  2007 RT270 = 2006 SP236  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-22 02:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin