+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187793 (1999 BL10) Classification: Main-belt Asteroid          SPK-ID: 2187793 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1968776198934903 3.6298e-08   a 2.566863460306105 1.2057e-08 au q 2.061505491649471 9.4626e-08 au i 5.124379927724849 3.8376e-06 deg node 119.603399725634 7.0562e-05 deg peri 351.6598632624293 7.2776e-05 deg M 131.5008256719596 1.9625e-05 deg tp 2458651.808089344282 (2019-Jun-17.30808934) 7.9736e-05 TDB period 1502.112909380602 4.11 1.0583e-05 2.897e-08 d yr n .239662410030446 1.6885e-09 deg/d Q 3.07222142896274 1.443e-08 au   Orbit Determination Parameters    # obs. used (total)      548      data-arc span      7812 days (21.39 yr)      first obs. used      1999-01-19      last obs. used      2020-06-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58822      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:56:51   Additional Information  Earth MOID = 1.07816 au   Jupiter MOID = 2.04676 au   T_jup = 3.399  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.21   n/a E2021B55   187793 (1999 BL10)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan Reference: 20080618/Numbers.arc Last Updated: 2008-06-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 07:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin