+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1602 Indiana (1950 GF) Classification: Main-belt Asteroid          SPK-ID: 2001602 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1044448659912363 3.1737e-08   a 2.244639574799309 5.1289e-09 au q 2.01019849521077 7.1777e-08 au i 4.162003695988653 3.149e-06 deg node 75.13163443426632 4.9181e-05 deg peri 73.05970372902325 5.1723e-05 deg M 350.7007701483962 1.543e-05 deg tp 2459032.229471030674 (2020-Jul-01.72947103) 5.2653e-05 TDB period 1228.339309095862 3.36 4.2101e-06 1.153e-08 d yr n .293078628465439 1.0045e-09 deg/d Q 2.479080654387848 5.6646e-09 au   Orbit Determination Parameters    # obs. used (total)      2896      data-arc span      28212 days (77.24 yr)      first obs. used      1943-02-26      last obs. used      2020-05-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41116      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:17:20   Additional Information  Earth MOID = 1.0264 au   Jupiter MOID = 2.51944 au   T_jup = 3.621  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.2   n/a MPO502168   diameter diameter 7.970 km 0.810 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 2.601 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Fleenor, M.L. (2007) Minor Planet Bull. 34, 66-67.] [Vander Haagen, G. (2007) Minor Planet Bull. 34, 107.] [Pietschnig, M. (2011) http://web.utanet.at/pietschm/] [Franco, L.; Baj, G.; Tinella, V.; Bachini, M.; et al. (2017) Minor Planet Bull. 44, 311-312.] [Klinglesmith III, D.A.; Hendrickx, S.; Kimber, C.; Madden, K. (2017) Minor Planet Bull. 44, 244-246.] geometric albedo albedo 0.297   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.930   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.74 deg. U-B UB 0.550   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.74 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo 1602 Indiana (1950 GF)          Discovered 1950-Mar-14 by Goethe Link Observatory at Brooklyn Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1950 GF = 1943 DJ = 1975 XR  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 19:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin