+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117354 (2004 XQ75) Classification: Main-belt Asteroid          SPK-ID: 2117354 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07494483248922913 5.0563e-08   a 3.118427684512989 3.16e-08 au q 2.884717644067389 1.6824e-07 au i 12.72805336397835 4.8445e-06 deg node 93.69382735882981 2.3364e-05 deg peri 265.3287028477896 4.0205e-05 deg M 23.28470003578246 3.1991e-05 deg tp 2458870.402158937203 (2020-Jan-21.90215894) 0.00017881 TDB period 2011.416196499568 5.51 3.0573e-05 8.37e-08 d yr n .1789783738574352 2.7205e-09 deg/d Q 3.35213772495859 3.3968e-08 au   Orbit Determination Parameters    # obs. used (total)      581      data-arc span      7590 days (20.78 yr)      first obs. used      1998-12-16      last obs. used      2019-09-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58224      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 13:50:37   Additional Information  Earth MOID = 1.91683 au   Jupiter MOID = 2.03279 au   T_jup = 3.175  [ 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 14.3   n/a MPO453644   diameter diameter 4.013 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.229   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   117354 (2004 XQ75)          Discovered 2004-Dec-09 by CSS at Catalina Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2004 XQ75 = 2003 US307 = 2004 XJ182  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-16 17:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin