+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1512513522567049 3.4626e-08   a 2.284001808689998 6.4477e-09 au q 1.938543446568876 7.9897e-08 au i 3.348587507222098 4.5529e-06 deg node 356.4142715214363 6.2151e-05 deg peri 297.503589374415 6.3691e-05 deg M 342.4337867421048 1.4142e-05 deg tp 2459062.020342158400 (2020-Jul-31.52034216) 4.9552e-05 TDB period 1260.790977080374 3.45 5.3388e-06 1.462e-08 d yr n .2855350383563622 1.2091e-09 deg/d Q 2.629460170811121 7.4229e-09 au   Orbit Determination Parameters    # obs. used (total)      1337      data-arc span      11291 days (30.91 yr)      first obs. used      1989-08-30      last obs. used      2020-07-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55962      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:23:40   Additional Information  Earth MOID = .925345 au   Jupiter MOID = 2.55352 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 15.3   n/a MPO381356   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 ] 2020-Oct-23 23:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin