+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   10389 Robmanning (1997 LD) Classification: Main-belt Asteroid          SPK-ID: 2010389 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2018418335070657 3.28e-08   a 2.263222511422453 7.2882e-09 au q 1.806409530082479 7.558e-08 au i 4.928397709348771 3.482e-06 deg node 178.6360720853051 3.1726e-05 deg peri 179.5718139653713 3.241e-05 deg M 240.1939631204067 7.4026e-06 deg tp 2459414.371489099906 (2021-Jul-18.87148910) 2.6651e-05 TDB period 1243.624611551978 3.40 6.0072e-06 1.645e-08 d yr n .2894764196976924 1.3983e-09 deg/d Q 2.720035492762427 8.7593e-09 au   Orbit Determination Parameters    # obs. used (total)      2359      data-arc span      17165 days (47.00 yr)      first obs. used      1973-08-29      last obs. used      2020-08-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50207      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:06:45   Additional Information  Earth MOID = .802602 au   Jupiter MOID = 2.7303 au   T_jup = 3.586  [ 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 13.9   n/a MPO425910   diameter diameter 4.954 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 2.75 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Hasegawa, S.; Miyaska, S.; Mito, H.; Sarugaku, Y.; et al. (2014) Pub. Astron. Soc. Japan 66, 54.] geometric albedo albedo 0.238   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   10389 Robmanning           Discovered 1997 June 1 at Haleakala by the JPL Near-Earth Asteroid Tracking program. Rob Manning (b. 1958) was the Flight System Chief Engineer for the successful Mars Pathfinder mission at JPL. He was responsible for all technical aspects of the Pathfinder spacecraft. He also led the team that designed, developed, tested and operated Pathfinder's very successful entry, descent and landing system. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020526/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1997 LD = 1973 QF1 = 1980 TT4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-06 02:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin