+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20692 (1999 VX73) Classification: Outer Main-belt Asteroid          SPK-ID: 2020692 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07371808117008677 4.8232e-08   a 3.256008370432477 1.8965e-08 au q 3.015981681090453 1.5951e-07 au i 2.412324178857572 3.6441e-06 deg node 77.25322278049185 0.00012761 deg peri 137.5864302732821 0.00013085 deg M 345.250802926911 2.8499e-05 deg tp 2459088.420990814698 (2020-Aug-26.92099081) 0.00016975 TDB period 2145.985068640904 5.88 1.8749e-05 5.133e-08 d yr n .1677551280578086 1.4656e-09 deg/d Q 3.4960350597745 2.0363e-08 au   Orbit Determination Parameters    # obs. used (total)      1648      data-arc span      13726 days (37.58 yr)      first obs. used      1982-12-13      last obs. used      2020-07-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51144      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:01:18   Additional Information  Earth MOID = 2.00967 au   Jupiter MOID = 1.46864 au   T_jup = 3.174  [ 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 13.2   n/a MPO299111   diameter diameter 11.317 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.087   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20692 (1999 VX73)          Discovered 1999-Nov-01 by Spacewatch at Kitt Peak Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 VX73 = 1982 XG1 = 1998 QH63  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-03 08:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin