+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .236083797501956 3.4717e-08   a 2.281798179697488 6.1121e-09 au q 1.743102600301454 8.008e-08 au i 4.512169108644284 3.6778e-06 deg node 216.676282750545 3.9339e-05 deg peri 135.9409051597556 3.9843e-05 deg M 292.8596756045011 5.882e-06 deg tp 2459631.298439043436 (2022-Feb-20.79843904) 2.0811e-05 TDB period 1258.966780644627 3.45 5.0585e-06 1.385e-08 d yr n .2859487680967004 1.1489e-09 deg/d Q 2.820493759093521 7.5551e-09 au   Orbit Determination Parameters    # obs. used (total)      1605      data-arc span      12337 days (33.78 yr)      first obs. used      1987-09-17      last obs. used      2021-06-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50219      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 03:39:20   Additional Information  Earth MOID = .740766 au   Jupiter MOID = 2.63739 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 15.02   n/a MPO614063   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-Aug-02 01:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin