+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   410028 (2006 XX20) Classification: Main-belt Asteroid          SPK-ID: 2410028 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1914201910039106 7.0536e-08   a 2.574671358410455 2.2624e-08 au q 2.081827275211227 1.9075e-07 au i 10.87208626260739 5.4793e-06 deg node 231.3560202971516 3.0383e-05 deg peri 156.6627555876554 3.3837e-05 deg M 125.3587211280838 1.652e-05 deg tp 2458475.047839905774 (2018-Dec-22.54783991) 6.4903e-05 TDB period 1508.971820481851 4.13 1.9889e-05 5.445e-08 d yr n .238573043653687 3.1446e-09 deg/d Q 3.067515441609682 2.6955e-08 au   Orbit Determination Parameters    # obs. used (total)      432      data-arc span      4926 days (13.49 yr)      first obs. used      2006-09-27      last obs. used      2020-03-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50115      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:55:39   Additional Information  Earth MOID = 1.09229 au   Jupiter MOID = 2.38752 au   T_jup = 3.377  [ 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 16.4   n/a MPO472140   diameter diameter 2.687 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.067   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   410028 (2006 XX20)          Discovered 2006-Sep-27 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2014-10-09 Alternate Designations  2006 XX20 = 2010 PC48 = 2010 TB56  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 08:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin