+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   8177 (1992 BO) Classification: Main-belt Asteroid          SPK-ID: 2008177 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1106468627873169 6.3849e-08   a 2.242763656359048 1.4805e-08 AU q 1.994608893809507 1.4481e-07 AU i 4.75901612874885 6.6184e-06 deg node 19.4226575836066 7.7628e-05 deg peri 213.9015594048288 8.3837e-05 deg M 30.01749348428827 3.36e-05 deg tp 2456298.207070596607 (2013-Jan-05.70707060) 0.0001142 JED period 1226.799786081292 3.36 1.2147e-05 3.326e-08 d yr n .2934464156942275 2.9056e-09 deg/d Q 2.490918418908589 1.6443e-08 AU   Orbit Determination Parameters    # obs. used (total)      1021      data-arc span      22751 days (62.29 yr)      first obs. used      1950-12-09      last obs. used      2013-03-24      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .50563      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:29:59   Additional Information  Earth MOID = .986199 AU   T_jup = 3.621  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPC 31081)   8177 (1992 BO)          Discovered 1992-Jan-28 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1992 BO = 1989 LN1 = 1990 TS14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 12:09 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin