+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243763 (2000 RF18) Classification: Main-belt Asteroid          SPK-ID: 2243763 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2677696380672802 9.7193e-08   a 3.166188607602852 2.8661e-08 au q 2.31837943009229 3.1432e-07 au i 15.26013064390768 1.0224e-05 deg node 331.6682108862744 2.2023e-05 deg peri 7.260221097484567 2.5246e-05 deg M 213.7789669811667 1.0178e-05 deg tp 2460036.316512249035 (2023-Apr-01.81651225) 6.3524e-05 TDB period 2057.802069903976 5.63 2.7941e-05 7.65e-08 d yr n .1749439391013922 2.3754e-09 deg/d Q 4.013997785113413 3.6335e-08 au   Orbit Determination Parameters    # obs. used (total)      279      data-arc span      7086 days (19.40 yr)      first obs. used      2000-09-01      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54173      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 09:24:49   Additional Information  Earth MOID = 1.30813 au   Jupiter MOID = 1.39342 au   T_jup = 3.094  [ 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 15.3   n/a MPO427391   diameter diameter 5.840 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243763 (2000 RF18)          Discovered 2000-Sep-01 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ show close-approach data ] Alternate Designations  2000 RF18 = 2006 SZ104  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 05:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin