+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20816 (2000 SQ319) Classification: Main-belt Asteroid          SPK-ID: 2020816 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1904798243053403 1.6201e-08   a 2.635513704971409 1.2194e-08 au q 2.133501517494139 4.7873e-08 au i 11.64862975930136 3.5126e-07 deg node 288.576774885686 3.0422e-06 deg peri 76.2040330582319 5.951e-06 deg M 294.8904545366792 8.2839e-06 deg tp 2459483.143178267047 (2021-Sep-25.64317827) 3.7043e-05 TDB period 1562.774604738383 4.28 1.0846e-05 2.969e-08 d yr n .2303595149988159 1.5988e-09 deg/d Q 3.13752589244868 1.4517e-08 au   Orbit Determination Parameters    # obs. used (total)      1793      data-arc span      11129 days (30.47 yr)      first obs. used      1990-03-04      last obs. used      2020-08-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4261      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:32:05   Additional Information  Earth MOID = 1.16441 au   Jupiter MOID = 2.4504 au   T_jup = 3.343  [ 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 13.0   n/a MPO474039   diameter diameter 6.702 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.327   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20816 (2000 SQ319)          Discovered 2000-Sep-26 by LINEAR at Socorro Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 SQ319 = 1990 EK5 = 1999 ND13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 15:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin