+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   10015 Valenlebedev (1978 SA5) Classification: Main-belt Asteroid          SPK-ID: 2010015 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2003077273571723 3.0519e-08   a 2.204143621009198 5.2866e-09 au q 1.762636621516037 6.8659e-08 au i .817686193623842 3.6129e-06 deg node 196.3347667449328 0.00020004 deg peri 215.7339618552743 0.00020022 deg M 242.4811766875868 9.0931e-06 deg tp 2459390.678374156886 (2021-Jun-25.17837416) 3.1019e-05 TDB period 1195.248648151176 3.27 4.3002e-06 1.177e-08 d yr n .3011925598550996 1.0836e-09 deg/d Q 2.645650620502358 6.3455e-09 au   Orbit Determination Parameters    # obs. used (total)      1844      data-arc span      15281 days (41.84 yr)      first obs. used      1978-09-27      last obs. used      2020-07-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52596      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:14:24   Additional Information  Earth MOID = .773623 au   Jupiter MOID = 2.71762 au   T_jup = 3.636  [ 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 MPO381343   10015 Valenlebedev           Discovered 1978 Sept. 27 by L. I. Chernykh at the Crimean Astrophysical Observatory. Valentin Vital'evich Lebedev (b. 1942), a Russian cosmonaut who participated in two space missions, is a scientist working in geoinformation. Among his books is Diary of a cosmonaut, published in many countries. He is founder and director of the Scientific Geoinformation Center of the Russian Academy of Sciences. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070730/MPCPages.arc Last Updated: 2007-08-07 [ show close-approach data ] Alternate Designations  1978 SA5 = 1991 RZ12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 06:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin