+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100054 (1992 BG4) Classification: Main-belt Asteroid          SPK-ID: 2100054 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07863472731026354 5.2035e-08   a 2.221685558698111 9.7311e-09 au q 2.046983920620735 1.111e-07 au i 5.388195146730121 3.4837e-06 deg node 101.0099012978715 5.9346e-05 deg peri 59.13667202853219 6.9415e-05 deg M 226.7524693327608 3.6973e-05 deg tp 2459648.191638984875 (2022-Mar-09.69163898) 0.00012607 TDB period 1209.545792162141 3.31 7.9468e-06 2.176e-08 d yr n .2976323859194094 1.9555e-09 deg/d Q 2.396387196775487 1.0496e-08 au   Orbit Determination Parameters    # obs. used (total)      535      data-arc span      10569 days (28.94 yr)      first obs. used      1992-01-01      last obs. used      2020-12-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56313      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:24:14   Additional Information  Earth MOID = 1.06186 au   Jupiter MOID = 2.58541 au   T_jup = 3.639  [ 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 16.6   n/a MPO329683   100054 (1992 BG4)          Discovered 1992-Jan-29 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-02 21:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin