+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382021 (2011 BN70) Classification: Main-belt Asteroid          SPK-ID: 2382021 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05372506278546722 6.7527e-08   a 2.416176889971524 1.826e-08 au q 2.286367634857009 1.5738e-07 au i 5.281204354656799 6.5072e-06 deg node 151.259164319634 4.9439e-05 deg peri 358.1732070143538 7.8558e-05 deg M 172.8439658722967 6.5379e-05 deg tp 2458341.867377451470 (2018-Aug-11.36737745) 0.00024427 TDB period 1371.802266401676 3.76 1.5551e-05 4.258e-08 d yr n .2624284919314959 2.9749e-09 deg/d Q 2.545986145086039 1.9241e-08 au   Orbit Determination Parameters    # obs. used (total)      202      data-arc span      8983 days (24.59 yr)      first obs. used      1996-03-12      last obs. used      2020-10-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60459      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:45:38   Additional Information  Earth MOID = 1.29719 au   Jupiter MOID = 2.43409 au   T_jup = 3.509  [ hide covariance matrix ] Orbital Elements at Epoch 2457784.5 (2017-Jan-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05300591707586368 6.6862e-08   q 2.288267231082398 1.5562e-07 au tp 2458337.748592815637 (2018-Aug-07.24859282) 0.00025102 TDB node 151.3342022749972 4.9497e-05 deg peri 357.1086328410067 7.9978e-05 deg i 5.277962595550717 6.5046e-06 deg   Orbit Determination Parameters    # obs. used (total)      202      data-arc span      8983 days (24.59 yr)      first obs. used      1996-03-12      last obs. used      2020-10-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60459      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:45:38   Additional Information  Jupiter MOID = 2.43409 au   T_jup = 3.509  Orbit Covariance (6×6)   e q tp node peri i e 4.470546866044714E-15 -1.034985922480729E-14 9.987976843077532E-12 -5.178837099139277E-15 2.471162604117975E-12 -3.082707184580583E-15 q -1.034985922480729E-14 2.42178394048994E-14 -2.127976699846976E-11 1.213284734829449E-14 -5.275474419025299E-12 7.147969085350376E-15 tp 9.987976843077532E-12 -2.127976699846976E-11 6.301353163898576E-8 -1.543093921581583E-11 1.578230106052359E-8 -1.428470496968507E-11 node -5.178837099139277E-15 1.213284734829449E-14 -1.543093921581583E-11 2.449927488438136E-9 -2.443005526266313E-9 1.039038239475416E-10 peri 2.471162604117975E-12 -5.275474419025299E-12 1.578230106052359E-8 -2.443005526266313E-9 6.396527304377427E-9 -1.071299607007965E-10 i -3.082707184580583E-15 7.147969085350376E-15 -1.428470496968507E-11 1.039038239475416E-10 -1.071299607007965E-10 4.230933631895441E-11 [ 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 17.3   n/a MPO434366   382021 (2011 BN70)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak Reference: Last Updated: 2013-12-19 [ show close-approach data ] Alternate Designations  2011 BN70 = 1996 EN9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 10:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin