+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175596 (2006 UM56) Classification: Main-belt Asteroid          SPK-ID: 2175596 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1715411411747123 5.445e-08   a 2.900489141792256 2.7346e-08 au q 2.402935924444351 1.6962e-07 au i 8.268498463113518 5.5796e-06 deg node 283.5105401823685 4.6498e-05 deg peri 1.626085583684349 5.1029e-05 deg M 11.37364499699431 2.1078e-05 deg tp 2459143.496376800499 (2020-Oct-20.99637680) 0.00010543 TDB period 1804.285640816425 4.94 2.5516e-05 6.986e-08 d yr n .1995249487420976 2.8217e-09 deg/d Q 3.398042359140161 3.2037e-08 au   Orbit Determination Parameters    # obs. used (total)      292      data-arc span      6889 days (18.86 yr)      first obs. used      2001-08-11      last obs. used      2020-06-21      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60476      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:06:02   Additional Information  Earth MOID = 1.38459 au   Jupiter MOID = 1.77117 au   T_jup = 3.250  [ 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 15.73   n/a E2021B55   diameter diameter 2.482 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.114   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   175596 (2006 UM56)          Discovered 2006-Oct-18 by Spacewatch at Kitt Peak Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ show close-approach data ] Alternate Designations  2006 UM56 = 2001 PW40  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 18:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin