+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102033 (1999 RU107) Classification: Main-belt Asteroid          SPK-ID: 2102033 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1175255904856547 4.1468e-08   a 3.113727840952828 2.3438e-08 au q 2.747785137833224 1.2482e-07 au i 26.91132993943316 4.9745e-06 deg node 178.5326808586863 1.074e-05 deg peri 289.3611628685252 2.5461e-05 deg M 209.6482581287559 2.5225e-05 deg tp 2460038.656977547707 (2023-Apr-04.15697755) 0.00014381 TDB period 2006.870742977963 5.49 2.2659e-05 6.204e-08 d yr n .1793837501790483 2.0254e-09 deg/d Q 3.479670544072432 2.6192e-08 au   Orbit Determination Parameters    # obs. used (total)      943      data-arc span      7686 days (21.04 yr)      first obs. used      1999-09-05      last obs. used      2020-09-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54238      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:57:03   Additional Information  Earth MOID = 1.86621 au   Jupiter MOID = 1.75536 au   T_jup = 3.041  [ 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 14.05   n/a E2021B55   diameter diameter 8.515 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.074   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102033 (1999 RU107)          Discovered 1999-Sep-08 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 RU107 = 2000 YV121  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 17:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin