+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02312993626355655 3.3149e-08   a 3.100611906056189 1.7933e-08 au q 3.028894950291084 1.0679e-07 au i 7.113123625148222 3.669e-06 deg node 269.4925150624311 3.7947e-05 deg peri 352.2028632638815 0.00011022 deg M 263.6027482065199 0.00010423 deg tp 2459734.488242019900 (2022-Jun-03.98824202) 0.00057783 TDB period 1994.203813393007 5.46 1.7301e-05 4.737e-08 d yr n .1805231729987937 1.5661e-09 deg/d Q 3.172328861821293 1.8348e-08 au   Orbit Determination Parameters    # obs. used (total)      1779      data-arc span      14744 days (40.37 yr)      first obs. used      1980-11-01      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47471      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:59:15   Additional Information  Earth MOID = 2.01151 au   Jupiter MOID = 1.87854 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 13.37   n/a E2021B10   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-Apr-17 06:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin