+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17905 Kabtamu (1999 FM31) Classification: Main-belt Asteroid          SPK-ID: 2017905 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1424299914287256 3.2263e-08   a 2.440555454413435 9.1826e-09 au q 2.09294716196 7.8705e-08 au i 2.70412731939907 4.8204e-06 deg node 156.9981707382373 7.1201e-05 deg peri 75.60167548227599 7.322e-05 deg M 224.5215030842448 1.7561e-05 deg tp 2459724.582087162483 (2022-May-25.08208716) 6.8828e-05 TDB period 1392.616213448356 3.81 7.8596e-06 2.152e-08 d yr n .2585062535704495 1.4589e-09 deg/d Q 2.788163746866871 1.049e-08 au   Orbit Determination Parameters    # obs. used (total)      1037      data-arc span      9481 days (25.96 yr)      first obs. used      1995-02-24      last obs. used      2021-02-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55568      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:17:33   Additional Information  Earth MOID = 1.08277 au   Jupiter MOID = 2.2027 au   T_jup = 3.486  [ 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 15.5   n/a MPO431705   17905 Kabtamu           Discovered 1999 Mar. 19 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Mahlet Kabtamu (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science team project. She attends the Deming High School, Deming, New Mexico, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040614/MPCPages.arc Last Updated: 2009-12-11 Alternate Designations  1999 FM31 = 1995 DB8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 08:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin