+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1694 Kaiser (1934 SB) Classification: Main-belt Asteroid          SPK-ID: 2001694 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2583409838602498 7.7931e-08   a 2.395925900775107 4.6906e-09 AU q 1.776960046312611 1.8671e-07 AU i 11.10001258619824 8.3049e-06 deg node 13.45926419594703 3.0552e-05 deg peri 356.3640596801553 3.2456e-05 deg M 59.47414799664619 1.2229e-05 deg tp 2456176.713322254708 (2012-Sep-06.21332225) 4.577e-05 JED period 1354.591981592544 3.71 3.9779e-06 1.089e-08 d yr n .2657626834441771 7.8044e-10 deg/d Q 3.014891755237603 5.9024e-09 AU   Orbit Determination Parameters    # obs. used (total)      994      data-arc span      28680 days (78.52 yr)      first obs. used      1934-09-29      last obs. used      2013-04-07      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53435      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:46:41   Additional Information  Earth MOID = .77637 AU   T_jup = 3.458  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.46 mag n/a PDS3 (MPC 17263)   rotation period rot_per 13.02 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Warner, B.D. (2006) Minor Planet Bul. 33, 58-62.] [Warner, B.D. (2013) Minor Planet Bul. 40, 71-80.] B-V BV .735 mag .007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=21.96, mean=22.09, max.=22.23) deg. U-B UB .415 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=21.96, mean=22.09, max.=22.23) deg. Tholen spectral type spec_T GC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 1694 Kaiser (1934 SB)          Discovered 1934-Sep-29 by Van Gent, H. at Johannesburg (LS) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1934 SB = 1960 SD  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 03:49 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin