+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15026 Davidscott (1998 TR34) Classification: Main-belt Asteroid          SPK-ID: 2015026 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1691046979726711 3.3852e-08   a 2.598157465087768 9.711e-09 au q 2.15879683166866 9.075e-08 au i 5.493131760324008 3.8118e-06 deg node 73.08595680591793 3.3815e-05 deg peri 26.36642896403239 3.545e-05 deg M 54.94161220265596 1.0501e-05 deg tp 2458967.049113123308 (2020-Apr-27.54911312) 4.4162e-05 TDB period 1529.666056496723 4.19 8.576e-06 2.348e-08 d yr n .2353454850299028 1.3195e-09 deg/d Q 3.037518098506876 1.1353e-08 au   Orbit Determination Parameters    # obs. used (total)      1673      data-arc span      11048 days (30.25 yr)      first obs. used      1990-12-15      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47929      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:45:23   Additional Information  Earth MOID = 1.17702 au   Jupiter MOID = 2.13421 au   T_jup = 3.389  [ 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 14.30   n/a E2021B10   diameter diameter 5.243 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.161   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15026 Davidscott           Discovered 1998 Oct. 14 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. David Holcomb Scott (1916-2000) was a member of the USGS lunar geologic mapping team during the Apollo program, the senior author of the USGS geologic map of Mars based on the Mariner 9 data, and the coordinator for the preparation of the Mars Geologic Atlas. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040107/MPCPages.arc Last Updated: 2004-01-07 [ show close-approach data ] Alternate Designations  1998 TR34 = 1990 XV1 = 1996 HV5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 12:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin