+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180613 (2004 FM108) Classification: Main-belt Asteroid          SPK-ID: 2180613 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1946068190187872 3.5858e-08   a 2.630631599445397 1.6588e-08 au q 2.118692751867024 9.7155e-08 au i 5.080835896501862 6.0221e-06 deg node 352.32958166665 4.8009e-05 deg peri 93.26819964100896 5.2793e-05 deg M 43.50694049543269 1.9192e-05 deg tp 2459012.159153155041 (2020-Jun-11.65915316) 8.2303e-05 TDB period 1558.434219737958 4.27 1.4741e-05 4.036e-08 d yr n .2310010877844636 2.185e-09 deg/d Q 3.14257044702377 1.9817e-08 au   Orbit Determination Parameters    # obs. used (total)      348      data-arc span      6734 days (18.44 yr)      first obs. used      2002-10-05      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54061      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:27:13   Additional Information  Earth MOID = 1.14179 au   Jupiter MOID = 2.10494 au   T_jup = 3.367  [ 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 16.7   n/a MPO459826   diameter diameter 3.727 km 1.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.027   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   180613 (2004 FM108)          Discovered 2004-Mar-23 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ show close-approach data ] Alternate Designations  2004 FM108 = 2006 QU69  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 00:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin