+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15347 Colinstuart (1994 UD) Classification: Main-belt Asteroid          SPK-ID: 2015347 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2252308832023959 3.5053e-08   a 2.332573631363319 5.8543e-09 au q 1.807206012236739 8.1991e-08 au i 6.056262531018453 3.4363e-06 deg node 76.12632059380769 3.2044e-05 deg peri 328.031377118837 3.2623e-05 deg M 165.7024965275741 6.1823e-06 deg tp 2458797.567306108164 (2019-Nov-10.06730611) 2.1907e-05 TDB period 1301.222216438851 3.56 4.8987e-06 1.341e-08 d yr n .2766629676714544 1.0416e-09 deg/d Q 2.8579412504899 7.1729e-09 au   Orbit Determination Parameters    # obs. used (total)      1861      data-arc span      9726 days (26.63 yr)      first obs. used      1994-10-26      last obs. used      2021-06-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47641      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 17:26:45   Additional Information  Earth MOID = .819477 au   Jupiter MOID = 2.54685 au   T_jup = 3.528  [ 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 14.6   n/a MPO350925   diameter diameter 4.424 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.157   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15347 Colinstuart           Discovered 1994 Oct. 26 by B. G. W. Manning at Stakenbridge. Colin Stuart (b. 1986) is a British astronomy writer and presenter. He has given public astronomy talks to over 250,000 people in schools and at the Royal Observatory Greenwich, written many popular astronomy articles and space books. In 2014 he was runner up in the European Astronomy Journalism Prize. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2017-10-05 Last Updated: 2017-10-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-01 17:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin