+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15638 (2000 JA65) Classification: Outer Main-belt Asteroid          SPK-ID: 2015638 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .184988682060297 3.8454e-08   a 3.992729436383062 3.375e-08 au q 3.254119680123207 1.529e-07 au i 9.411283841132269 4.1756e-06 deg node 118.634740846977 2.9847e-05 deg peri 224.4444582998922 3.2353e-05 deg M 100.1771245236228 1.1865e-05 deg tp 2458189.596247541628 (2018-Mar-12.09624754) 9.5398e-05 TDB period 2914.09193738811 7.98 3.6949e-05 1.012e-07 d yr n .1235376260375184 1.5664e-09 deg/d Q 4.731339192642917 3.9994e-08 au   Orbit Determination Parameters    # obs. used (total)      2022      data-arc span      25600 days (70.09 yr)      first obs. used      1950-03-21      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49648      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:13:34   Additional Information  Earth MOID = 2.2549 au   Jupiter MOID = .740937 au   T_jup = 3.002  [ 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 11.4   n/a MPO337391   diameter diameter 32.265 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   rotation period rot_per 5.898 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 43-45.] geometric albedo albedo 0.056   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   15638 (2000 JA65)          Discovered 2000-May-05 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 JA65 = 1979 YQ5 = 1993 OV3 = 1998 FL83 = 1999 GX42  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 06:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin