+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226800 (2004 RM202) Classification: Main-belt Asteroid          SPK-ID: 2226800 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06602052665354714 6.8519e-08   a 2.689315131873264 2.5585e-08 au q 2.511765130529637 1.9327e-07 au i 5.747393733536658 7.0294e-06 deg node 212.0478565037269 4.7589e-05 deg peri 162.9368482687008 6.1079e-05 deg M 189.2208001968489 4.2254e-05 deg tp 2459764.676087468385 (2022-Jul-04.17608747) 0.00019494 TDB period 1610.871767789737 4.41 2.2987e-05 6.293e-08 d yr n .2234814758060804 3.1891e-09 deg/d Q 2.86686513321689 2.7274e-08 au   Orbit Determination Parameters    # obs. used (total)      388      data-arc span      7136 days (19.54 yr)      first obs. used      2000-11-27      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52656      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 02:30:46   Additional Information  Earth MOID = 1.51352 au   Jupiter MOID = 2.44859 au   T_jup = 3.362  [ hide covariance matrix ] Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0648944613420354 6.8362e-08   q 2.516116128005685 1.9255e-07 au tp 2456544.261461682477 (2013-Sep-08.76146168) 0.0001773 TDB node 212.064176784887 4.7603e-05 deg peri 163.5035399660392 6.158e-05 deg i 5.745207666520092 7.0279e-06 deg   Orbit Determination Parameters    # obs. used (total)      388      data-arc span      7136 days (19.54 yr)      first obs. used      2000-11-27      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52656      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 02:30:46   Additional Information  Jupiter MOID = 2.44859 au   T_jup = 3.362  Orbit Covariance (6×6)   e q tp node peri i e 4.673312517690591E-15 -1.307211506979111E-14 -1.367175143896309E-12 -9.110850605080589E-15 -3.928074668592738E-13 1.956478538434274E-15 q -1.307211506979111E-14 3.707653734342581E-14 5.188610281273913E-12 2.486351702265716E-14 1.440138865465394E-12 -4.972417538505269E-15 tp -1.367175143896309E-12 5.188610281273913E-12 3.143404161598146E-8 2.761456499545724E-11 6.932927994933844E-9 -7.789518593971679E-12 node -9.110850605080589E-15 2.486351702265716E-14 2.761456499545724E-11 2.266024496561637E-9 -2.248144727981296E-9 -9.449826123949843E-11 peri -3.928074668592738E-13 1.440138865465394E-12 6.932927994933844E-9 -2.248144727981296E-9 3.792085684914977E-9 9.239564431583337E-11 i 1.956478538434274E-15 -4.972417538505269E-15 -7.789518593971679E-12 -9.449826123949843E-11 9.239564431583337E-11 4.93906859326748E-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 16.13   n/a E2021B55   226800 (2004 RM202)          Discovered 2004-Sep-11 by LINEAR at Socorro Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-26 10:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin