+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1565179350269367 4.8415e-08   a 2.333859841466925 1.0431e-08 au q 1.968568918438228 1.1195e-07 au i 5.398728904676199 4.8556e-06 deg node 293.3440929033335 5.2352e-05 deg peri 61.9167085489373 5.4226e-05 deg M 24.23354126452159 1.5274e-05 deg tp 2458912.835256700638 (2020-Mar-04.33525670) 5.5033e-05 TDB period 1302.298629956073 3.57 8.731e-06 2.39e-08 d yr n .2764342921962093 1.8533e-09 deg/d Q 2.699150764495623 1.2064e-08 au   Orbit Determination Parameters    # obs. used (total)      759      data-arc span      8124 days (22.24 yr)      first obs. used      1998-08-03      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5522      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:02:35   Additional Information  Earth MOID = .970288 au   Jupiter MOID = 2.74631 au   T_jup = 3.547  [ 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 15.6   n/a MPO449612   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 ] 2020-Nov-30 23:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin