+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101451 (1998 VW56) Classification: Main-belt Asteroid          SPK-ID: 2101451 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1797516777264311 5.0621e-08   a 2.35448895296623 9.043e-09 au q 1.931265613482202 1.1745e-07 au i 5.578054623431079 4.3878e-06 deg node 297.7863557924674 5.1759e-05 deg peri 64.67628103394125 5.3138e-05 deg M 15.01309400001936 1.238e-05 deg tp 2458945.468529777686 (2020-Apr-05.96852978) 4.523e-05 TDB period 1319.60335957448 3.61 7.6024e-06 2.081e-08 d yr n .2728092478607252 1.5717e-09 deg/d Q 2.777712292450258 1.0669e-08 au   Orbit Determination Parameters    # obs. used (total)      879      data-arc span      8021 days (21.96 yr)      first obs. used      1998-11-14      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52884      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:00:31   Additional Information  Earth MOID = .936064 au   Jupiter MOID = 2.70235 au   T_jup = 3.527  [ 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 15.4   n/a MPO436474   diameter diameter 4.847 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101451 (1998 VW56)          Discovered 1998-Nov-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 VW56 = 2002 YP26  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-06 02:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin