+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268177 (2004 XF59) Classification: Main-belt Asteroid          SPK-ID: 2268177 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2241081108501719 3.9293e-08   a 3.074551137008919 2.7347e-08 au q 2.385519289981602 1.289e-07 au i 4.021333005851197 6.5241e-06 deg node 351.4785412036994 6.4547e-05 deg peri 80.15900698061968 6.641e-05 deg M 323.6507084629915 1.5519e-05 deg tp 2459199.322009067119 (2020-Dec-15.82200907) 8.6119e-05 TDB period 1969.114671500236 5.39 2.6272e-05 7.193e-08 d yr n .182823278507047 2.4392e-09 deg/d Q 3.763582984036236 3.3476e-08 au   Orbit Determination Parameters    # obs. used (total)      406      data-arc span      7589 days (20.78 yr)      first obs. used      2000-02-06      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51753      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:22:03   Additional Information  Earth MOID = 1.40415 au   Jupiter MOID = 1.57391 au   T_jup = 3.187  [ 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 15.7   n/a MPO494450   diameter diameter 3.878 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.081   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   268177 (2004 XF59)          Discovered 2004-Dec-10 by Spacewatch at Kitt Peak Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ show close-approach data ] Alternate Designations  2004 XF59 = 2009 TF5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-19 19:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin