+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102089 (1999 RK152) Classification: Main-belt Asteroid          SPK-ID: 2102089 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1494739658076835 3.3795e-08   a 2.225536601704224 7.9673e-09 au q 1.892876819797339 7.6042e-08 au i 3.296135868430881 4.1592e-06 deg node 178.9920370891745 5.502e-05 deg peri 57.91838044462269 5.6582e-05 deg M 235.4110595437172 1.4009e-05 deg tp 2459620.188945689157 (2022-Feb-09.68894569) 4.8353e-05 TDB period 1212.692072785643 3.32 6.512e-06 1.783e-08 d yr n .2968601907102876 1.5941e-09 deg/d Q 2.55819638361111 9.1582e-09 au   Orbit Determination Parameters    # obs. used (total)      887      data-arc span      7820 days (21.41 yr)      first obs. used      1999-08-22      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52997      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:30:32   Additional Information  Earth MOID = .882369 au   Jupiter MOID = 2.4396 au   T_jup = 3.629  [ 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 16.1   n/a MPO439698   diameter diameter 3.183 km 0.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.063   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   102089 (1999 RK152)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 RK152 = 2003 WA163  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 18:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin