+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136099 (2003 DD4) Classification: Main-belt Asteroid          SPK-ID: 2136099 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .132559663362172 4.378e-08   a 2.746477885639324 1.9562e-08 au q 2.382405701687325 1.1552e-07 au i 5.911328381459178 4.781e-06 deg node 142.0766463390761 4.6461e-05 deg peri 132.4966731901838 5.0315e-05 deg M 187.434584093153 2.1235e-05 deg tp 2459797.418388936096 (2022-Aug-05.91838894) 0.00010095 TDB period 1662.503570077227 4.55 1.7762e-05 4.863e-08 d yr n .2165408883803343 2.3135e-09 deg/d Q 3.110550069591322 2.2155e-08 au   Orbit Determination Parameters    # obs. used (total)      617      data-arc span      10637 days (29.12 yr)      first obs. used      1991-10-02      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61725      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:58:58   Additional Information  Earth MOID = 1.37094 au   Jupiter MOID = 2.02092 au   T_jup = 3.327  [ hide covariance matrix ] Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1343300353525176 4.3645e-08   q 2.375624786373298 1.1527e-07 au tp 2456474.282727488575 (2013-Jun-30.78272749) 9.2572e-05 TDB node 142.1405136889214 4.6413e-05 deg peri 132.5448888045567 5.0194e-05 deg i 5.915337297517571 4.7858e-06 deg   Orbit Determination Parameters    # obs. used (total)      617      data-arc span      10637 days (29.12 yr)      first obs. used      1991-10-02      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61725      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:58:58   Additional Information  Jupiter MOID = 2.02092 au   T_jup = 3.327  Orbit Covariance (6×6)   e q tp node peri i e 1.904891003600744E-15 -4.983405932168708E-15 3.333489564372594E-13 3.889065154480466E-15 4.357158542885313E-14 1.174592579843311E-15 q -4.983405932168708E-15 1.328787507661866E-14 -8.850455664610352E-13 -1.13296125748355E-14 -9.752437388026575E-14 -2.845259683599554E-15 tp 3.333489564372594E-13 -8.850455664610352E-13 8.569533093166606E-9 2.884061319930783E-12 1.793112914824988E-9 -2.239048207419598E-12 node 3.889065154480466E-15 -1.13296125748355E-14 2.884061319930783E-12 2.154199931389768E-9 -2.141849911713613E-9 1.263274375825596E-11 peri 4.357158542885313E-14 -9.752437388026575E-14 1.793112914824988E-9 -2.141849911713613E-9 2.519439441402352E-9 -1.306721236476903E-11 i 1.174592579843311E-15 -2.845259683599554E-15 -2.239048207419598E-12 1.263274375825596E-11 -1.306721236476903E-11 2.290380189764897E-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 15.2   n/a MPO453845   136099 (2003 DD4)          Discovered 2003-Feb-22 by NEAT at Palomar Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ show close-approach data ] Alternate Designations  2003 DD4 = 1999 JB74 = 2000 SH262  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 05:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin