+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150007 (2005 UD204) Classification: Main-belt Asteroid          SPK-ID: 2150007 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01552404800184326 3.7279e-08   a 3.107223649391966 2.4975e-08 au q 3.058986960306343 1.1172e-07 au i 1.255151832263964 4.9281e-06 deg node 164.2372050930743 0.00019552 deg peri 285.2429514257757 0.0002585 deg M 235.5730606917209 0.00016943 deg tp 2459891.963268936842 (2022-Nov-08.46326894) 0.00094255 TDB period 2000.585871525173 5.48 2.412e-05 6.604e-08 d yr n .179947287004256 2.1696e-09 deg/d Q 3.15546033847759 2.5363e-08 au   Orbit Determination Parameters    # obs. used (total)      532      data-arc span      9419 days (25.79 yr)      first obs. used      1994-10-13      last obs. used      2020-07-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55164      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:16:43   Additional Information  Earth MOID = 2.07532 au   Jupiter MOID = 1.85435 au   T_jup = 3.220  [ 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 15.38   n/a E2021B55   diameter diameter 5.020 km 0.608 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   150007 (2005 UD204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon Reference: 20070202/Numbers.arc Last Updated: 2007-02-06 [ show close-approach data ] Alternate Designations  2005 UD204 = 1994 WJ13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 09:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin