+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11337 Sandro (1996 PG1) Classification: Main-belt Asteroid          SPK-ID: 2011337 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1511344626165345 3.4608e-08   a 2.283555944736513 6.4948e-09 au q 1.938431944173967 7.9821e-08 au i 3.349223428056074 4.5288e-06 deg node 356.3998429558298 6.1891e-05 deg peri 297.4074422271719 6.3413e-05 deg M 39.63392539966564 1.3971e-05 deg tp 2459061.734821886679 (2020-Jul-31.23482189) 4.8853e-05 TDB period 1260.421813308884 3.45 5.3773e-06 1.472e-08 d yr n .2856186684479231 1.2185e-09 deg/d Q 2.628679945299059 7.4764e-09 au   Orbit Determination Parameters    # obs. used (total)      1373      data-arc span      11395 days (31.20 yr)      first obs. used      1989-08-30      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55577      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:45:37   Additional Information  Earth MOID = .923274 au   Jupiter MOID = 2.553 au   T_jup = 3.586  [ 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 15.25   n/a E2021B10   diameter diameter 1.926 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.476   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11337 Sandro           Discovered 1996 Aug. 10 by M. Tombelli and G. Forti at Montelupo. Sandro Bartolini (b. 1974) is the elder son of the first discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20001111/MPCPages.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 14:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin