+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212158 (2005 GL5) Classification: Main-belt Asteroid          SPK-ID: 2212158 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2142968358362642 7.6763e-08   a 2.557378588254955 1.7636e-08 au q 2.009340448756506 2.0371e-07 au i 3.817562959571403 7.186e-06 deg node 142.502244500595 7.5854e-05 deg peri 175.6059953092381 7.7948e-05 deg M 213.9800958907885 1.3939e-05 deg tp 2459806.399399499787 (2022-Aug-14.89939950) 5.6617e-05 TDB period 1493.794870984053 4.09 1.5452e-05 4.231e-08 d yr n .2409969447564419 2.4929e-09 deg/d Q 3.105416727753405 2.1415e-08 au   Orbit Determination Parameters    # obs. used (total)      368      data-arc span      7293 days (19.97 yr)      first obs. used      2000-02-05      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61755      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 02:42:35   Additional Information  Earth MOID = .994174 au   Jupiter MOID = 2.20802 au   T_jup = 3.401  [ 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 16.8   n/a MPO454523   diameter diameter 1.452 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.160   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   212158 (2005 GL5)          Discovered 2005-Apr-01 by Spacewatch at Kitt Peak Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ show close-approach data ] Alternate Designations  2005 GL5 = 2000 CM107  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 23:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin