+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02317592109141733 3.6484e-08   a 3.101046368149979 1.9813e-08 au q 3.029176762220909 1.1373e-07 au i 7.113537675646932 4.0328e-06 deg node 269.4972366488687 3.8348e-05 deg peri 351.7529749862372 0.00011092 deg M 227.9611287562396 0.00010509 deg tp 2459732.077127911650 (2022-Jun-01.57712791) 0.00058317 TDB period 1994.622974033033 5.46 1.9116e-05 5.234e-08 d yr n .1804852369027402 1.7297e-09 deg/d Q 3.172915974079049 2.0272e-08 au   Orbit Determination Parameters    # obs. used (total)      1614      data-arc span      14339 days (39.26 yr)      first obs. used      1980-11-01      last obs. used      2020-02-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48561      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 22:00:03   Additional Information  Earth MOID = 2.0136 au   Jupiter MOID = 1.8788 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 13.4   n/a MPO502301   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 ] 2020-Jul-04 06:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin