+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   912 Maritima (1919 FJ) Classification: Main-belt Asteroid          SPK-ID: 2000912 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .175675621773788 6.0828e-08   a 3.133242589538582 2.4557e-08 AU q 2.582808249453278 1.8691e-07 AU i 18.34644052921982 1.0655e-05 deg node 34.07128300432957 2.3317e-05 deg peri 88.5951198307462 4.1244e-05 deg M 69.43703836774161 3.1048e-05 deg tp 2456009.768749844533 (2012-Mar-23.26874984) 0.00017469 JED period 2025.766843784572 5.55 2.3815e-05 6.52e-08 d yr n .1777104808998857 2.0892e-09 deg/d Q 3.683676929623886 2.887e-08 AU   Orbit Determination Parameters    # obs. used (total)      944      data-arc span      30287 days (82.92 yr)      first obs. used      1930-05-19      last obs. used      2013-04-20      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .55522      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:39:55   Additional Information  Earth MOID = 1.67704 AU   T_jup = 3.111  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 8.40 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 diameter diameter 83.17 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 rotation period rot_per 1332. h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Higgins, D.; Martinez, L. (2011) Minor Planet Bul. 38, 78-79.] geometric albedo albedo 0.1115   0.006 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 912 Maritima (1919 FJ)          Discovered 1919-Apr-27 by Schwassmann, A. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1919 FJ = 1930 GA = 1930 MO = A911 WB  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-18 11:33 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin