+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1510132951811393 3.4612e-08   a 2.283172738884819 6.3872e-09 au q 1.938383300118075 7.9739e-08 au i 3.349380341296172 4.4699e-06 deg node 356.4000465828575 6.1539e-05 deg peri 297.3602973442549 6.3007e-05 deg M 95.67914187687279 1.3842e-05 deg tp 2459061.595214589640 (2020-Jul-31.09521459) 4.8275e-05 TDB period 1260.104557614894 3.45 5.2877e-06 1.448e-08 d yr n .285690578471839 1.1988e-09 deg/d Q 2.627962177651562 7.3518e-09 au   Orbit Determination Parameters    # obs. used (total)      1384      data-arc span      11395 days (31.20 yr)      first obs. used      1989-08-30      last obs. used      2020-11-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55527      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:41:01   Additional Information  Earth MOID = .924779 au   Jupiter MOID = 2.55235 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-Jul-29 23:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin