+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17742 (1998 BP25) Classification: Main-belt Asteroid          SPK-ID: 2017742 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1397811519619051 4.2279e-08   a 3.15631202946778 1.655e-08 au q 2.715119098037555 1.3662e-07 au i 2.973627783642809 4.2868e-06 deg node 131.7501281831236 7.8111e-05 deg peri 59.94630400324252 7.9144e-05 deg M 353.8660841387106 1.3727e-05 deg tp 2459235.398248947829 (2021-Jan-20.89824895) 7.8188e-05 TDB period 2048.180950851468 5.61 1.6109e-05 4.41e-08 d yr n .1757657202359689 1.3824e-09 deg/d Q 3.597504960898005 1.8863e-08 au   Orbit Determination Parameters    # obs. used (total)      1758      data-arc span      14184 days (38.83 yr)      first obs. used      1982-05-15      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54006      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:11:30   Additional Information  Earth MOID = 1.71607 au   Jupiter MOID = 1.3594 au   T_jup = 3.189  [ 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 13.46   n/a E2021B10   diameter diameter 11.936 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17742 (1998 BP25)          Discovered 1998-Jan-28 by Kobayashi, T. at Oizumi Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 BP25 = 1982 JR  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 19:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin