+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   152361 (2005 UX140) Classification: Main-belt Asteroid          SPK-ID: 2152361 [ 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 .02660758234335035 6.1365e-08   a 3.009809405373609 3.0507e-08 au q 2.92972565378234 1.9181e-07 au i 10.48107623395287 4.9049e-06 deg node 73.54234851138439 4.9853e-05 deg peri 43.68774348891592 0.00017741 deg M 249.1524725526871 0.00017366 deg tp 2459787.760010875154 (2022-Jul-27.26001088) 0.0009239 TDB period 1907.246907384044 5.22 2.8998e-05 7.939e-08 d yr n .1887537468831298 2.8698e-09 deg/d Q 3.089893156964877 3.1319e-08 au   Orbit Determination Parameters    # obs. used (total)      359      data-arc span      7353 days (20.13 yr)      first obs. used      2000-11-21      last obs. used      2021-01-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56409      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:26:48   Additional Information  Earth MOID = 1.95466 au   Jupiter MOID = 1.99644 au   T_jup = 3.224  [ 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 15.14   n/a E2020-QM9   diameter diameter 4.063 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 3.66232 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.] geometric albedo albedo 0.117   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   152361 (2005 UX140)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 23:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin