+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101825 (1999 JB23) Classification: Main-belt Asteroid          SPK-ID: 2101825 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1438480372051339 4.561e-08   a 2.404980796971678 1.2014e-08 au q 2.059029029811263 1.0755e-07 au i 1.858950678869286 4.842e-06 deg node 201.6215523550443 0.00010098 deg peri 16.02559590409056 0.0001017 deg M 236.039981932525 1.4021e-05 deg tp 2459469.577904632592 (2021-Sep-12.07790463) 5.4893e-05 TDB period 1362.278324094897 3.73 1.0208e-05 2.795e-08 d yr n .2642631785536081 1.9802e-09 deg/d Q 2.750932564132092 1.3743e-08 au   Orbit Determination Parameters    # obs. used (total)      751      data-arc span      7894 days (21.61 yr)      first obs. used      1999-04-06      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55814      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:40   Additional Information  Earth MOID = 1.05172 au   Jupiter MOID = 2.21871 au   T_jup = 3.508  [ 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 15.9   n/a MPO453472   diameter diameter 1.872 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.241   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101825 (1999 JB23)          Discovered 1999-May-10 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 2022-Feb-08 20:13 < 00:01 Vesta 0.0113211202667467 0.0113181816245871 0.0113240590986814 3.36252097506454 3.36251784941425 2459619.342271167 0.708758763941203 163.617617247021 31.0356450506907 27.5999512511271 26728.3638706875 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:41 2020-Dec-17 22:29 Alternate Designations  1999 JB23 = 2000 SR58  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 22:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin