+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5528 (1992 AJ) Classification: Outer Main-belt Asteroid          SPK-ID: 2005528 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244230 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0426115 n/a   a 3.2466854 n/a AU q 3.1083393 n/a AU i 16.39951 n/a deg node 140.56985 n/a deg peri 336.28947 n/a deg M 233.74266 n/a deg tp 2457149.8985870 (2015-May-07.39858700) n/a JED period 2136.7747119 5.85 n/a n/a d yr n 0.16847822 n/a deg/d Q 3.3850315 n/a AU   Orbit Determination Parameters    # obs. used (total)      878      first obs. used      1954-??-??      last obs. used      2012-11-22      # oppositions      21      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.117  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.90 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 diameter diameter 23.92 km 2.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 geometric albedo albedo 0.1348   0.033 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 5528 (1992 AJ)          Discovered 1992-Jan-02 by Ueda and Kaneda at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1992 AJ = 1957 BC = 1977 QB4 = 1983 OE = 1990 SC18  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 02:48 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin