+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117810 (2005 GS178) Classification: Main-belt Asteroid          SPK-ID: 2117810 [ 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 .02997139859913681 4.9419e-08   a 2.78529960543324 2.2977e-08 au q 2.701820280740782 1.4553e-07 au i 5.165122798605529 5.0762e-06 deg node 159.5099582426023 5.7961e-05 deg peri 125.3463216991289 0.00010976 deg M 26.2764864303865 9.0965e-05 deg tp 2458876.571527863277 (2020-Jan-28.07152786) 0.00042914 TDB period 1697.877305149437 4.65 2.101e-05 5.752e-08 d yr n .2120294551957127 2.6237e-09 deg/d Q 2.868778930125698 2.3666e-08 au   Orbit Determination Parameters    # obs. used (total)      526      data-arc span      21408 days (58.61 yr)      first obs. used      1960-09-29      last obs. used      2019-05-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55528      source      ORB      producer      Otto Matic      solution date      2019-May-30 06:55:07   Additional Information  Earth MOID = 1.68962 au   Jupiter MOID = 2.16717 au   T_jup = 3.325  [ 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 15.3   n/a MPO436565   diameter diameter 6.119 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   117810 (2005 GS178)          Discovered 2005-Apr-15 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2005 GS178 = 2004 BR151  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-09 05:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin