+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243986 (2001 RW62) Classification: Main-belt Asteroid          SPK-ID: 2243986 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2241741551844002 6.4235e-08   a 2.376661366779059 1.1142e-08 au q 1.843875312721962 1.5819e-07 au i 3.467354561269618 4.9001e-06 deg node 67.08668572323216 0.00010349 deg peri 314.8708695948729 0.00010493 deg M 27.55816938473755 1.8543e-05 deg tp 2458898.053470371124 (2020-Feb-18.55347037) 6.8413e-05 TDB period 1338.287393168466 3.66 9.4109e-06 2.577e-08 d yr n .269000516509149 1.8916e-09 deg/d Q 2.909447420836156 1.364e-08 au   Orbit Determination Parameters    # obs. used (total)      229      data-arc span      6728 days (18.42 yr)      first obs. used      2001-05-24      last obs. used      2019-10-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53049      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 02:17:59   Additional Information  Earth MOID = .849111 au   Jupiter MOID = 2.54876 au   T_jup = 3.504  [ hide covariance matrix ] Orbital Elements at Epoch 2457331.5 (2015-Nov-05.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2258687786345177 6.4569e-08   q 1.839403827768929 1.5932e-07 au tp 2457558.334029017561 (2016-Jun-18.83402902) 6.0624e-05 TDB node 67.10157343835604 0.00010355 deg peri 314.5804364366393 0.00010495 deg i 3.468566380571027 4.8967e-06 deg   Orbit Determination Parameters    # obs. used (total)      229      data-arc span      6728 days (18.42 yr)      first obs. used      2001-05-24      last obs. used      2019-10-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53049      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 02:17:59   Additional Information  Jupiter MOID = 2.54876 au   T_jup = 3.504  Orbit Covariance (6×6)   e q tp node peri i e 4.169099013872815E-15 -1.027764213367251E-14 -1.885136797157444E-12 -5.341525337954451E-14 -2.787459991434951E-13 -8.604047999756871E-15 q -1.027764213367251E-14 2.538300021083163E-14 4.835730594637127E-12 1.269821586418762E-13 7.42792406506735E-13 2.171304831080219E-14 tp -1.885136797157444E-12 4.835730594637127E-12 3.675218715036155E-9 -2.355449192335787E-11 1.041731604976645E-9 8.399026508010415E-12 node -5.341525337954451E-14 1.269821586418762E-13 -2.355449192335787E-11 1.072249225494265E-8 -1.071269582788273E-8 5.666797275320333E-11 peri -2.787459991434951E-13 7.42792406506735E-13 1.041731604976645E-9 -1.071269582788273E-8 1.101363094782941E-8 -5.458120509869196E-11 i -8.604047999756871E-15 2.171304831080219E-14 8.399026508010415E-12 5.666797275320333E-11 -5.458120509869196E-11 2.397760496267652E-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 17.1   n/a MPO446289   243986 (2001 RW62)          Discovered 2001-Sep-12 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 13:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin