+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120200 (2004 DE60) Classification: Main-belt Asteroid          SPK-ID: 2120200 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1341759984646354 4.1789e-08   a 2.322119023192567 1.1825e-08 au q 2.010546384701981 9.385e-08 au i 3.1656567359331 4.8968e-06 deg node 158.1833805030338 7.9844e-05 deg peri 103.3499766910998 8.2702e-05 deg M 175.419030709558 1.9584e-05 deg tp 2458570.704798301589 (2019-Mar-28.20479830) 6.9331e-05 TDB period 1292.483898094384 3.54 9.8728e-06 2.703e-08 d yr n .2785334506145707 2.1276e-09 deg/d Q 2.633691661683154 1.3412e-08 au   Orbit Determination Parameters    # obs. used (total)      446      data-arc span      9231 days (25.27 yr)      first obs. used      1995-10-25      last obs. used      2021-02-01      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60267      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:05:22   Additional Information  Earth MOID = .996236 au   Jupiter MOID = 2.4238 au   T_jup = 3.563  [ 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 16.8   n/a MPO396029   diameter diameter 2.576 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.056   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120200 (2004 DE60)          Discovered 2004-Feb-26 by LINEAR at Socorro Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2004 DE60 = 2001 LA15  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 05:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin