+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102147 (1999 RC192) Classification: Main-belt Asteroid          SPK-ID: 2102147 [ 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 .1606024344498551 3.0174e-08   a 2.351772260471843 9.7305e-09 au q 1.974071910168426 7.089e-08 au i 6.718037696691544 3.5316e-06 deg node 260.8057860921574 4.8404e-05 deg peri 177.8384491933243 5.1844e-05 deg M 248.6574340086887 1.9452e-05 deg tp 2459607.927226111373 (2022-Jan-28.42722611) 7.2385e-05 TDB period 1317.320111084381 3.61 8.1756e-06 2.238e-08 d yr n .2732820951952659 1.6961e-09 deg/d Q 2.72947261077526 1.1293e-08 au   Orbit Determination Parameters    # obs. used (total)      765      data-arc span      7180 days (19.66 yr)      first obs. used      1999-09-13      last obs. used      2019-05-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5235      source      ORB      producer      Otto Matic      solution date      2019-May-30 06:36:33   Additional Information  Earth MOID = .989245 au   Jupiter MOID = 2.51265 au   T_jup = 3.531  [ 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 15.7   n/a MPO469029   diameter diameter 1.982 km 0.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.215   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102147 (1999 RC192)          Discovered 1999-Sep-13 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 RC192 = 2001 DC88  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 02:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin