+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100768 (1998 FN27) Classification: Main-belt Asteroid          SPK-ID: 2100768 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1045854124628958 4.4685e-08   a 3.066737119220471 2.242e-08 au q 2.746001152691525 1.3296e-07 au i 14.27838680823911 4.8402e-06 deg node 186.4454085452447 2.016e-05 deg peri 2.113472026756404 3.3093e-05 deg M 74.3909197712527 2.4668e-05 deg tp 2458795.149531563072 (2019-Nov-07.64953156) 0.00013452 TDB period 1961.612641516029 5.37 2.1511e-05 5.889e-08 d yr n .1835224714507216 2.0125e-09 deg/d Q 3.387473085749417 2.4765e-08 au   Orbit Determination Parameters    # obs. used (total)      509      data-arc span      8155 days (22.33 yr)      first obs. used      1998-03-20      last obs. used      2020-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57677      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:04:20   Additional Information  Earth MOID = 1.74651 au   Jupiter MOID = 1.56671 au   T_jup = 3.177  [ 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 15.24   n/a E2021B55   diameter diameter 4.665 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.089   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100768 (1998 FN27)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 FN27 = 2004 KC14  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 02:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin