+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101074 (1998 RY19) Classification: Main-belt Asteroid          SPK-ID: 2101074 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1566104355388264 4.629e-08   a 2.334328362116383 9.7568e-09 au q 1.968748180634701 1.0596e-07 au i 5.398650735559399 4.7263e-06 deg node 293.3450464507215 4.7654e-05 deg peri 61.97271007371491 4.977e-05 deg M 79.45451054292843 1.5302e-05 deg tp 2458912.987055190628 (2020-Mar-04.48705519) 5.4699e-05 TDB period 1302.690802877092 3.57 8.1673e-06 2.236e-08 d yr n .2763510721077577 1.7326e-09 deg/d Q 2.699908543598065 1.1285e-08 au   Orbit Determination Parameters    # obs. used (total)      842      data-arc span      8203 days (22.46 yr)      first obs. used      1998-08-03      last obs. used      2021-01-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53635      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:35:05   Additional Information  Earth MOID = .96879 au   Jupiter MOID = 2.74621 au   T_jup = 3.546  [ 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 15.61   n/a E2021B55   diameter diameter 1.693 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.389   0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101074 (1998 RY19)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 RY19 = 2000 CA102  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 02:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin