+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102052 (1999 RA125) Classification: Main-belt Asteroid          SPK-ID: 2102052 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2019507461926962 4.6377e-08   a 3.137692298825396 2.7951e-08 au q 2.504032997754531 1.55e-07 au i .5445099434078347 6.327e-06 deg node 198.6967226377023 0.00046805 deg peri 132.1433617404332 0.00046833 deg M 304.4957209369574 1.9046e-05 deg tp 2459513.495374716937 (2021-Oct-25.99537472) 0.00011013 TDB period 2030.083748500103 5.56 2.7126e-05 7.427e-08 d yr n .1773325855477542 2.3695e-09 deg/d Q 3.771351599896261 3.3595e-08 au   Orbit Determination Parameters    # obs. used (total)      516      data-arc span      7610 days (20.84 yr)      first obs. used      1999-08-17      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55812      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:56:56   Additional Information  Earth MOID = 1.49143 au   Jupiter MOID = 1.60033 au   T_jup = 3.179  [ 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 15.53   n/a E2021B55   diameter diameter 4.603 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102052 (1999 RA125)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 RA125 = 2003 GG19  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 23:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin