+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7864 (1982 EE) Classification: Main-belt Asteroid          SPK-ID: 2007864 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04240163541198608 6.629e-08   a 2.701800100546499 2.4635e-08 AU q 2.587239357727059 1.8433e-07 AU i 9.356728956126629 7.1622e-06 deg node 109.9278782263275 4.4218e-05 deg peri 23.3115367566153 0.00010148 deg M 27.97279814540899 9.0439e-05 deg tp 2456274.459052929996 (2012-Dec-12.95905293) 0.00040756 JED period 1622.102326314767 4.44 2.2186e-05 6.074e-08 d yr n .2219342110296329 3.0354e-09 deg/d Q 2.816360843365938 2.568e-08 AU   Orbit Determination Parameters    # obs. used (total)      971      data-arc span      11340 days (31.05 yr)      first obs. used      1982-03-14      last obs. used      2013-03-31      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .55151      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:28:27   Additional Information  Earth MOID = 1.60441 AU   T_jup = 3.347  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7 mag n/a PDS3 (MPC 30635)   7864 (1982 EE)          Discovered 1982-Mar-14 by Mrkos, A. at Klet Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1982 EE = 1986 CW = 1989 WY5 = 1996 JJ16  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 11:50 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin