+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180914 (2005 LM5) Classification: Main-belt Asteroid          SPK-ID: 2180914 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .223721331149654 3.299e-08   a 2.332887101862414 1.1767e-08 au q 1.810970494011897 7.5572e-08 au i 4.966343402894006 4.3606e-06 deg node 145.9203797789348 5.7524e-05 deg peri 130.433636354085 5.9109e-05 deg M 115.8775152142699 1.4257e-05 deg tp 2458781.575574226447 (2019-Oct-25.07557423) 4.9892e-05 TDB period 1301.484528725093 3.56 9.8469e-06 2.696e-08 d yr n .2766072066585751 2.0928e-09 deg/d Q 2.854803709712932 1.4399e-08 au   Orbit Determination Parameters    # obs. used (total)      378      data-arc span      6643 days (18.19 yr)      first obs. used      2002-10-30      last obs. used      2021-01-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59003      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:28:28   Additional Information  Earth MOID = .79758 au   Jupiter MOID = 2.28921 au   T_jup = 3.531  [ 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 16.9   n/a MPO475525   diameter diameter 2.208 km 0.595 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   geometric albedo albedo 0.067   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   180914 (2005 LM5)          Discovered 2005-Jun-02 by Siding Spring Survey at Siding Spring Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-22 19:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin