+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14834 Isaev (1987 SR17) Classification: Main-belt Asteroid          SPK-ID: 2014834 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2359791024835405 4.0646e-08   a 2.281751511024376 6.4745e-09 au q 1.743305837362382 9.2665e-08 au i 4.512063120829797 4.0095e-06 deg node 216.6768216362753 4.455e-05 deg peri 135.9472587178051 4.498e-05 deg M 236.7928577025399 5.8384e-06 deg tp 2459631.358168335051 (2022-Feb-20.85816834) 2.0828e-05 TDB period 1258.928157152913 3.45 5.3584e-06 1.467e-08 d yr n .2859575409085662 1.2171e-09 deg/d Q 2.82019718468637 8.0024e-09 au   Orbit Determination Parameters    # obs. used (total)      1478      data-arc span      12201 days (33.40 yr)      first obs. used      1987-09-17      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51627      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:40:21   Additional Information  Earth MOID = .740098 au   Jupiter MOID = 2.6374 au   T_jup = 3.563  [ 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 15.01   n/a E2020-QM5   14834 Isaev           Discovered 1987 Sept. 17 by L. I. Chernykh at the Crimean Astrophysical Observatory. Aleksej Mikhajlovich Isaev (1908-1971), the general designer and a laureate of many awards, was involved in the construction of liquid-propellant engines for many spacecraft, space apparatus and orbital stations. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20080321/MPCPages.arc Last Updated: 2008-03-26 Alternate Designations  1987 SR17 = 1994 VE3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 12:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin