+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70255 (1999 RN88) Classification: Main-belt Asteroid          SPK-ID: 2070255 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2326220605177232 3.4781e-08   a 2.545168296382478 1.0056e-08 au q 1.953106002913603 8.8435e-08 au i 2.969474748175038 6.6449e-06 deg node 324.8348836795709 5.7568e-05 deg peri 116.515447040618 5.9955e-05 deg M 24.81945055539738 1.4789e-05 deg tp 2459098.250110724594 (2020-Sep-05.75011072) 6.0953e-05 TDB period 1483.109388621868 4.06 8.7901e-06 2.407e-08 d yr n .2427332756180031 1.4386e-09 deg/d Q 3.137230589851353 1.2396e-08 au   Orbit Determination Parameters    # obs. used (total)      901      data-arc span      10142 days (27.77 yr)      first obs. used      1993-04-16      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54913      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 06:40:26   Additional Information  Earth MOID = .970748 au   Jupiter MOID = 2.12128 au   T_jup = 3.403  [ hide covariance matrix ] Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2302695282270509 3.4368e-08   q 1.960062559699983 8.7043e-08 au tp 2457612.394610493810 (2016-Aug-11.89461049) 6.3583e-05 TDB node 325.1461136891177 5.7536e-05 deg peri 115.8274051886812 6.0036e-05 deg i 2.96919354654596 6.6437e-06 deg   Orbit Determination Parameters    # obs. used (total)      901      data-arc span      10142 days (27.77 yr)      first obs. used      1993-04-16      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54913      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 06:40:26   Additional Information  Jupiter MOID = 2.12128 au   T_jup = 3.403  Orbit Covariance (6×6)   e q tp node peri i e 1.181155752902562E-15 -2.979661968092498E-15 1.341795060731146E-12 -1.596590354772639E-14 3.512365401180775E-13 -1.439379492885544E-15 q -2.979661968092498E-15 7.576562409737779E-15 -3.491529481306279E-12 4.051276968234382E-14 -9.18633203225996E-13 3.690636563772701E-15 tp 1.341795060731146E-12 -3.491529481306279E-12 4.0427903302397E-9 -3.939448970340278E-11 1.094313342976043E-9 -4.126128386180901E-12 node -1.596590354772639E-14 4.051276968234382E-14 -3.939448970340278E-11 3.310408827429298E-9 -3.315521360276156E-9 5.16329928162073E-12 peri 3.512365401180775E-13 -9.18633203225996E-13 1.094313342976043E-9 -3.315521360276156E-9 3.604265286189394E-9 -6.215711175537157E-12 i -1.439379492885544E-15 3.690636563772701E-15 -4.126128386180901E-12 5.16329928162073E-12 -6.215711175537157E-12 4.413811454402462E-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 15.5   n/a MPO347973   70255 (1999 RN88)          Discovered 1999-Sep-07 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 RN88 = 2001 FR51  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 18:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin