+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   488 Kreusa (1902 JG) Classification: Main-belt Asteroid          SPK-ID: 2000488 [ 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 62 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1591370015269162 6.0836e-08   a 3.166826156309683 1.6221e-08 AU q 2.662866937437551 1.9029e-07 AU i 11.52190093246367 8.1806e-06 deg node 84.24888694408627 3.4196e-05 deg peri 71.00873480399383 4.1726e-05 deg M 348.266473725234 2.4541e-05 deg tp 2456467.590466439433 (2013-Jun-24.09046644) 0.00014049 JED period 2058.423644572923 5.64 1.5816e-05 4.33e-08 d yr n .1748911119191366 1.3438e-09 deg/d Q 3.670785375181816 1.8803e-08 AU   Orbit Determination Parameters    # obs. used (total)      1099      data-arc span      40973 days (112.18 yr)      first obs. used      1901-02-15      last obs. used      2013-04-21      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .57633      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:35:52   Additional Information  Earth MOID = 1.70099 AU   T_jup = 3.152  [ 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 7.81 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20 diameter diameter 150.13 km 6.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20 rotation period rot_per 19.26 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Robinson, L. (2011) http://btboar.tripod.com/lightcurves/] geometric albedo albedo 0.0589   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20 B-V BV .691 mag .006 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=7.94, mean=12.60, max.=17.25) deg. U-B UB .368 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=7.94, mean=12.60, max.=17.25) deg. Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices 488 Kreusa (1902 JG)          Discovered 1902-Jun-26 by Wolf, M. and Carnera, L. at Heidelberg (024) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1902 JG = 1947 KH = 1977 YD = A901 CA = A905 XA  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-20 03:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin