+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1257028671073483 4.5567e-08   a 3.077730763128893 2.7475e-08 au q 2.690851182019104 1.3774e-07 au i 16.83135644362091 4.8536e-06 deg node 192.8658866082636 1.4551e-05 deg peri 42.88619756031468 2.1929e-05 deg M 192.1463366371897 1.9062e-05 deg tp 2460120.044367208203 (2023-Jun-24.54436721) 0.00011153 TDB period 1972.170076976095 5.40 2.6409e-05 7.23e-08 d yr n .1825400375975604 2.4444e-09 deg/d Q 3.464610344238682 3.0929e-08 au   Orbit Determination Parameters    # obs. used (total)      498      data-arc span      7266 days (19.89 yr)      first obs. used      2001-03-18      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5509      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:59:32   Additional Information  Earth MOID = 1.70542 au   Jupiter MOID = 1.56832 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 ] 2021-Apr-21 09:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin