+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187749 (1993 FC61) Classification: Main-belt Asteroid          SPK-ID: 2187749 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1319052398097372 3.6026e-08   a 2.377103657339923 1.4221e-08 au q 2.063551229365898 8.4668e-08 au i 2.2084366001995 4.2942e-06 deg node 93.09879587107766 0.00012138 deg peri 41.15386257386062 0.00012353 deg M 243.0446173736199 2.5001e-05 deg tp 2459635.398911372964 (2022-Feb-24.89891137) 9.555e-05 TDB period 1338.660988305406 3.67 1.2013e-05 3.289e-08 d yr n .2689254435177942 2.4133e-09 deg/d Q 2.690656085313949 1.6097e-08 au   Orbit Determination Parameters    # obs. used (total)      382      data-arc span      10077 days (27.59 yr)      first obs. used      1993-03-19      last obs. used      2020-10-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .63312      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:56:41   Additional Information  Earth MOID = 1.07824 au   Jupiter MOID = 2.33737 au   T_jup = 3.528  [ 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 17.0   n/a MPO436929   187749 (1993 FC61)          Discovered 1993-Mar-19 by UESAC at La Silla Reference: 20080618/Numbers.arc Last Updated: 2008-06-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 12:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin