+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103075 (1999 XC152) Classification: Main-belt Asteroid          SPK-ID: 2103075 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .158460462321571 3.8938e-08   a 2.780092818526587 1.6085e-08 au q 2.339558025205985 1.1047e-07 au i 8.570225669025239 4.9241e-06 deg node 59.46881014277258 3.0021e-05 deg peri 95.82165936368591 3.4637e-05 deg M 76.24506565825901 1.616e-05 deg tp 2458641.911289342436 (2019-Jun-07.41128934) 7.5184e-05 TDB period 1693.11856081718 4.64 1.4694e-05 4.023e-08 d yr n .2126253933606674 1.8453e-09 deg/d Q 3.220627611847189 1.8634e-08 au   Orbit Determination Parameters    # obs. used (total)      457      data-arc span      9419 days (25.79 yr)      first obs. used      1994-10-06      last obs. used      2020-07-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53347      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:50:52   Additional Information  Earth MOID = 1.36803 au   Jupiter MOID = 1.83316 au   T_jup = 3.299  [ 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 16.04   n/a E2021B55   diameter diameter 3.329 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.070   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   103075 (1999 XC152)          Discovered 1999-Dec-08 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 XC152 = 2001 FZ86  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 20:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin