+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2141881865491889 7.6723e-08   a 2.557640292451807 1.7581e-08 au q 2.009823956366418 2.036e-07 au i 3.817210426430686 7.1849e-06 deg node 142.5024440014327 7.5861e-05 deg peri 175.573240618184 7.7958e-05 deg M 165.8316995417346 1.4086e-05 deg tp 2458312.287311490690 (2018-Jul-12.78731149) 6.0818e-05 TDB period 1494.024173592933 4.09 1.5405e-05 4.218e-08 d yr n .2409599565810552 2.4845e-09 deg/d Q 3.105456628537198 2.1347e-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 = .996632 au   Jupiter MOID = 2.20795 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 ] 2020-Aug-05 00:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin