+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180438 (2004 BY106) Classification: Main-belt Asteroid          SPK-ID: 2180438 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08880691635536046 4.022e-08   a 2.360883171983725 1.2696e-08 au q 2.151220417604588 9.2594e-08 au i 4.637608719907966 3.4093e-06 deg node 95.14194388078107 6.0632e-05 deg peri 114.7233651692452 6.5213e-05 deg M 157.9187035216216 2.5337e-05 deg tp 2458619.279075549299 (2019-May-15.77907555) 9.1607e-05 TDB period 1324.982590004635 3.63 1.0688e-05 2.926e-08 d yr n .2717016832641859 2.1917e-09 deg/d Q 2.570545926362862 1.3824e-08 au   Orbit Determination Parameters    # obs. used (total)      602      data-arc span      7155 days (19.59 yr)      first obs. used      2001-04-15      last obs. used      2020-11-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53699      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:26:31   Additional Information  Earth MOID = 1.14919 au   Jupiter MOID = 2.39634 au   T_jup = 3.541  [ 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 16.57   n/a E2021B55   180438 (2004 BY106)          Discovered 2004-Jan-27 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 18:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin