+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100422 (1996 GP7) Classification: Main-belt Asteroid          SPK-ID: 2100422 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04616577985776885 4.4049e-08   a 2.776487585109467 1.813e-08 au q 2.648308870477475 1.262e-07 au i 5.34887568864427 4.5559e-06 deg node 40.60009450907646 5.3045e-05 deg peri 255.6690557119477 7.7656e-05 deg M 33.7897206687331 5.4655e-05 deg tp 2459041.892349616746 (2020-Jul-11.39234962) 0.00025704 TDB period 1689.826166299357 4.63 1.6551e-05 4.531e-08 d yr n .2130396647771077 2.0867e-09 deg/d Q 2.904666299741459 1.8967e-08 au   Orbit Determination Parameters    # obs. used (total)      613      data-arc span      8917 days (24.41 yr)      first obs. used      1996-04-12      last obs. used      2020-09-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60225      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:32:06   Additional Information  Earth MOID = 1.63693 au   Jupiter MOID = 2.17786 au   T_jup = 3.327  [ 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 15.27   n/a E2021B55   diameter diameter 5.408 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100422 (1996 GP7)          Discovered 1996-Apr-12 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1996 GP7 = 2000 DB85  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 15:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin