+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17270 (2000 LB2) Classification: Main-belt Asteroid          SPK-ID: 2017270 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02304157464692737 3.0816e-08   a 3.099886840677055 1.6591e-08 au q 3.028460566640567 1.0207e-07 au i 7.113139440776992 3.1735e-06 deg node 269.4855943058676 3.7904e-05 deg peri 352.7545759790867 0.00011023 deg M 298.4406977157867 0.00010405 deg tp 2459737.385380191303 (2022-Jun-06.88538019) 0.00057636 TDB period 1993.504349712879 5.46 1.6004e-05 4.382e-08 d yr n .1805865134188697 1.4498e-09 deg/d Q 3.171313114713544 1.6973e-08 au   Orbit Determination Parameters    # obs. used (total)      1968      data-arc span      14832 days (40.61 yr)      first obs. used      1980-11-01      last obs. used      2021-06-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46959      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 04:22:31   Additional Information  Earth MOID = 2.01275 au   Jupiter MOID = 1.87867 au   T_jup = 3.210  [ 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 13.38   n/a MPCxxxxx   diameter diameter 13.246 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17270 (2000 LB2)          Discovered 2000-Jun-04 by Broughton, J. at Reedy Creek Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 LB2 = 1980 VP3 = 1999 CP117  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Aug-04 20:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin