+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   2513 Baetsle (1950 SH) Classification: Main-belt Asteroid          SPK-ID: 2002513 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250225 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1802691 n/a   a 2.2868076 n/a AU q 1.8745669 n/a AU i 3.16270 n/a deg node 257.65616 n/a deg peri 97.96909 n/a deg M 41.90040 n/a deg tp 2456253.4860511 (2012-Nov-21.98605110) n/a JED period 1263.1149488 3.46 n/a n/a d yr n 0.28500969 n/a deg/d Q 2.6990483 n/a AU   Orbit Determination Parameters    # obs. used (total)      1144      first obs. used      1943-??-??      last obs. used      2013-01-20      # oppositions      22      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.578  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.40 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 diameter diameter 16.67 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 rotation period rot_per 6.0792 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm] geometric albedo albedo 0.0278   0.007 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 2513 Baetsle (1950 SH)          Discovered 1950-Sep-19 by Arend, S. at Uccle (012) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1950 SH = 1936 PC = 1943 RA = 1943 RC = 1950 TK = 1950 TW2 = 1964 VO2 = 1971 UH3 = 1974 QV = 1981 QO  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 21:28 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin