+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214075 (2004 GP72) Classification: Main-belt Asteroid          SPK-ID: 2214075 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09617219592543925 5.6431e-08   a 2.809163188652839 3.5388e-08 au q 2.538999796087187 1.5712e-07 au i 9.809866858104291 9.1385e-06 deg node 55.86778023308614 3.7853e-05 deg peri 237.9870187985416 7.0261e-05 deg M 74.51724723051596 6.3429e-05 deg tp 2458644.526078955257 (2019-Jun-10.02607896) 0.00030078 TDB period 1719.744305364352 4.71 3.2496e-05 8.897e-08 d yr n .2093334450226477 3.9556e-09 deg/d Q 3.079326581218492 3.8791e-08 au   Orbit Determination Parameters    # obs. used (total)      247      data-arc span      5996 days (16.42 yr)      first obs. used      2001-11-20      last obs. used      2018-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54289      source      ORB      producer      Otto Matic      solution date      2018-Oct-04 08:33:11   Additional Information  Earth MOID = 1.5391 au   Jupiter MOID = 2.07752 au   T_jup = 3.294  [ 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 15.9   n/a MPO440131   diameter diameter 3.601 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.071   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   214075 (2004 GP72)          Discovered 2004-Apr-14 by Spacewatch at Kitt Peak Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 Alternate Designations  2004 GP72 = 2001 WX66  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-05 01:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin