+ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1494739654958934 3.3795e-08   a 2.225536602229864 7.9673e-09 au q 1.89287682093831 7.6042e-08 au i 3.296135866429681 4.1592e-06 deg node 178.9920373879847 5.502e-05 deg peri 57.91838094699692 5.6582e-05 deg M 235.4110582334418 1.4009e-05 deg tp 2459620.188950251623 (2022-Feb-09.68895025) 4.8353e-05 TDB period 1212.692073215274 3.32 6.512e-06 1.783e-08 d yr n .2968601906051164 1.5941e-09 deg/d Q 2.558196383521419 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.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53005      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:40:18   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 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1930-Jul-07 12:24 00:12 Psych 0.0472532195317577 0.0472485699399979 0.0472578694067591 2.59489849732199 2.59489839864829 2426165.017012647 12.0901719852123 296.278696496822 39.6488273557632 -39.0310219210477 113551.864873944 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:21 2021-Apr-13 15:40 1940-Aug-31 23:12 00:11 Psych 0.0250064016088201 0.0250040053522313 0.0250087982207649 2.67278708687723 2.67278690585263 2429873.466922051 11.1223069134145 196.952465713347 38.6725409523021 54.2730731613364 79146.4720967504 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:21 2021-Apr-13 15:40 Alternate Designations  1999 RK152 = 2003 WA163  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 06:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin