+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437943 (2002 RW160) Classification: Main-belt Asteroid          SPK-ID: 2437943 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2180270743550156 1.4165e-07   a 2.765200860257103 2.626e-08 au q 2.162312206691274 3.8555e-07 au i 4.033437776371872 1.1868e-05 deg node 144.8475791535232 0.00022297 deg peri 198.9736079037617 0.0002252 deg M 309.2080423073901 3.6181e-05 deg tp 2459237.463198571692 (2021-Jan-22.96319857) 0.00017096 TDB period 1679.532653615774 4.60 2.3925e-05 6.55e-08 d yr n .2143453413811132 3.0533e-09 deg/d Q 3.368089513822931 3.1985e-08 au   Orbit Determination Parameters    # obs. used (total)      99      data-arc span      6091 days (16.68 yr)      first obs. used      2002-08-20      last obs. used      2019-04-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .69868      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 16:58:49   Additional Information  Earth MOID = 1.15504 au   Jupiter MOID = 2.04585 au   T_jup = 3.301  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.0   n/a MPO472433   437943 (2002 RW160)          Discovered 2002-Sep-12 by NEAT at Palomar Reference: Last Updated: 2015-07-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 14:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin