+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14501 Tetsuokojima (1995 WA8) Classification: Main-belt Asteroid          SPK-ID: 2014501 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1450525501057673 3.0409e-08   a 2.204924698926756 7.0219e-09 au q 1.885094748556238 6.7082e-08 au i 5.293369050927662 3.9693e-06 deg node .4880555891227491 3.81e-05 deg peri 39.62269645735942 4.0878e-05 deg M 199.110271566559 1.6801e-05 deg tp 2459534.959607297352 (2021-Nov-16.45960730) 5.7188e-05 TDB period 1195.884041203062 3.27 5.7127e-06 1.564e-08 d yr n .3010325312459554 1.438e-09 deg/d Q 2.524754649297273 8.0405e-09 au   Orbit Determination Parameters    # obs. used (total)      1246      data-arc span      11628 days (31.84 yr)      first obs. used      1988-08-16      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50113      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:44:02   Additional Information  Earth MOID = .895922 au   Jupiter MOID = 2.88254 au   T_jup = 3.643  [ 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 15.2   n/a MPO416865   diameter diameter 2.457 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.293   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14501 Tetsuokojima           Discovered 1995 Nov. 29 by T. Kobayashi at Oizumi. Tetsuo Kojima (b. 1945) is a Japanese amateur astronomer and an active member of Ota Astronomical Club. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060219/MPCPages.arc Last Updated: 2010-06-03 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-02 20:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin