+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100204 (1994 GT3) Classification: Main-belt Asteroid          SPK-ID: 2100204 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1317299106300249 5.9969e-08   a 3.169839352098468 2.5731e-08 au q 2.752276697535001 1.9423e-07 au i 4.656030410284338 5.3228e-06 deg node 27.04913973891632 6.5011e-05 deg peri 130.8020497087294 6.7466e-05 deg M 260.7372511282234 1.8396e-05 deg tp 2459568.879103922327 (2021-Dec-20.37910392) 0.00010845 TDB period 2061.362190123836 5.64 2.51e-05 6.872e-08 d yr n .1746417983820558 2.1265e-09 deg/d Q 3.587402006661935 2.9121e-08 au   Orbit Determination Parameters    # obs. used (total)      512      data-arc span      10242 days (28.04 yr)      first obs. used      1991-10-13      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56982      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 11:52:23   Additional Information  Earth MOID = 1.76418 au   Jupiter MOID = 1.4019 au   T_jup = 3.184  [ 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 14.9   n/a MPO453456   diameter diameter 5.466 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.078   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100204 (1994 GT3)          Discovered 1994-Apr-06 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1994 GT3 = 2005 EK14  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-14 12:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin