+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26200 Van Doren (1997 GF17) Classification: Main-belt Asteroid          SPK-ID: 2026200 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1336716784128521 3.3152e-08   a 2.250159433201178 7.9559e-09 au q 1.949376845068664 7.5587e-08 au i 5.239928383615236 3.8299e-06 deg node 213.6908566766881 3.6225e-05 deg peri 9.274995316454159 3.8429e-05 deg M 289.8080259879001 1.3194e-05 deg tp 2459240.882760686189 (2021-Jan-26.38276069) 4.557e-05 TDB period 1232.873060844684 3.38 6.5386e-06 1.79e-08 d yr n .2920008648362805 1.5486e-09 deg/d Q 2.550942021333691 9.0194e-09 au   Orbit Determination Parameters    # obs. used (total)      1759      data-arc span      14109 days (38.63 yr)      first obs. used      1981-10-01      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50044      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:30:20   Additional Information  Earth MOID = .94099 au   Jupiter MOID = 2.42461 au   T_jup = 3.610  [ 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 14.5   n/a MPO412371   diameter diameter 3.410 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.289   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26200 Van Doren           Discovered 1997 Apr. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Benjamin Mark Van Doren (b. 1994) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for his animal-sciences project. He attends the White Plains High School, White Plains, New York. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20120506/MPCPages.arc Last Updated: 2012-05-09 [ show close-approach data ] Alternate Designations  1997 GF17 = 1990 DW7 = 1998 RT73  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 11:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin