+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   18170 Ramjeawan (2000 QW2) Classification: Main-belt Asteroid          SPK-ID: 2018170 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1935187180151548 4.2912e-08   a 2.671720842301912 1.2833e-08 au q 2.154692850005276 1.1256e-07 au i 4.545608075250098 4.8403e-06 deg node 351.3015054168075 4.8819e-05 deg peri 43.78222451716918 5.0121e-05 deg M 190.6808574956566 1.1998e-05 deg tp 2459950.719941915052 (2023-Jan-06.21994192) 5.5355e-05 TDB period 1595.089457073589 4.37 1.1493e-05 3.147e-08 d yr n .2256926709681032 1.6261e-09 deg/d Q 3.188748834598547 1.5317e-08 au   Orbit Determination Parameters    # obs. used (total)      1158      data-arc span      11937 days (32.68 yr)      first obs. used      1987-09-13      last obs. used      2020-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52987      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:16:31   Additional Information  Earth MOID = 1.16276 au   Jupiter MOID = 2.26873 au   T_jup = 3.349  [ show covariance matrix ] [ 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 14.44   n/a E2021B10   18170 Ramjeawan           Discovered 2000 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Khaivchandra Ramjeawan (b. 1986) was awarded second place in the 2003 Intel International Science and Engineering Fair for her environmental science project. She attends the Uniondale High School, Uniondale, New York, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040614/MPCPages.arc Last Updated: 2009-12-11 [ show close-approach data ] Alternate Designations  2000 QW2 = 1987 RP1 = 1998 FD147  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 00:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin