+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   7850 Buenos Aires (1996 LH) Classification: Main-belt Asteroid          SPK-ID: 2007850 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1074389845104931 4.4432e-08   a 2.417159566860274 1.234e-08 au q 2.157462397596983 1.0756e-07 au i 7.248951211571447 4.608e-06 deg node 358.6825039722067 3.676e-05 deg peri 230.8219633722022 4.1757e-05 deg M 127.8746074712276 2.027e-05 deg tp 2458512.928601886557 (2019-Jan-29.42860189) 7.6801e-05 TDB period 1372.639234574647 3.76 1.0511e-05 2.878e-08 d yr n .2622684758909406 2.0083e-09 deg/d Q 2.676856736123565 1.3665e-08 au   Orbit Determination Parameters    # obs. used (total)      1148      data-arc span      15487 days (42.40 yr)      first obs. used      1977-02-19      last obs. used      2019-07-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52831      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 21:00:42   Additional Information  Earth MOID = 1.15664 au   Jupiter MOID = 2.32746 au   T_jup = 3.497  [ 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 14.8   n/a MPO337322   diameter diameter 3.194 km 0.809 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.228   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   7850 Buenos Aires (1996 LH)          Discovered 1996-Jun-10 by Macri, L. at Mt. Hopkins Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1996 LH = 1977 DR10 = 1992 EM28 = 1993 QZ4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-15 18:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin