+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1072890321319411 4.4127e-08   a 2.417422789816607 1.0739e-08 au q 2.158059838443486 1.0593e-07 au i 7.248627803591925 4.3216e-06 deg node 358.6809817865099 3.2377e-05 deg peri 230.8057227205379 3.6317e-05 deg M 180.3530624288469 1.9122e-05 deg tp 2459885.585321250212 (2022-Nov-02.08532125) 7.5089e-05 TDB period 1372.863456424872 3.76 9.1478e-06 2.505e-08 d yr n .262225641097251 1.7473e-09 deg/d Q 2.676785741189727 1.1891e-08 au   Orbit Determination Parameters    # obs. used (total)      1407      data-arc span      16039 days (43.91 yr)      first obs. used      1977-02-19      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4855      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:39:47   Additional Information  Earth MOID = 1.15605 au   Jupiter MOID = 2.32633 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 14.88   n/a E2021B10   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 ] 2021-Apr-10 15:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin