+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160008 (2007 JJ) Classification: Main-belt Asteroid          SPK-ID: 2160008 [ 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 .1259747902712706 4.7343e-08   a 3.076977180746705 2.9778e-08 au q 2.689355625732653 1.4083e-07 au i 16.83355752653616 5.4775e-06 deg node 192.8715084839149 1.5288e-05 deg peri 42.87410465036404 2.3915e-05 deg M 155.6367718308196 1.9508e-05 deg tp 2458148.195947246267 (2018-Jan-29.69594725) 0.00010309 TDB period 1971.44579254621 5.40 2.8618e-05 7.835e-08 d yr n .1826071005153249 2.6508e-09 deg/d Q 3.464598735760756 3.3529e-08 au   Orbit Determination Parameters    # obs. used (total)      435      data-arc span      6797 days (18.61 yr)      first obs. used      2001-03-18      last obs. used      2019-10-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57675      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 18:37:10   Additional Information  Earth MOID = 1.70505 au   Jupiter MOID = 1.56957 au   T_jup = 3.151  [ 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 15.0   n/a MPO454057   diameter diameter 5.580 km 2.462 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   160008 (2007 JJ)          Discovered 2007-May-07 by Mt. Lemmon Survey at Mount Lemmon Reference: 20070630/Numbers.arc Last Updated: 2007-07-05 [ show close-approach data ] Alternate Designations  2007 JJ = 2001 FX186 = 2006 BU216  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 06:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin