+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1595 Tanga (1930 ME) Classification: Main-belt Asteroid          SPK-ID: 2001595 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1115289237639591 3.2506e-08   a 2.644535649085907 8.3043e-09 au q 2.349593434287933 8.8805e-08 au i 4.164438866347793 3.2784e-06 deg node 112.1877019759552 4.8516e-05 deg peri 190.4037356981223 5.1244e-05 deg M 304.8635577780602 1.7262e-05 deg tp 2459241.079602982952 (2021-Jan-26.57960298) 7.5472e-05 TDB period 1570.806051018639 4.30 7.3989e-06 2.026e-08 d yr n .2291816992725147 1.0795e-09 deg/d Q 2.939477863883881 9.2305e-09 au   Orbit Determination Parameters    # obs. used (total)      3044      data-arc span      32987 days (90.31 yr)      first obs. used      1930-06-19      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41476      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:17:22   Additional Information  Earth MOID = 1.33431 au   Jupiter MOID = 2.25347 au   T_jup = 3.381  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.9   n/a MPO473785 IRAS observations used: 4 diameter diameter 26.572 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 11.05 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.655   0.092 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.64, mean=12.66, max.=12.68) deg. U-B UB 0.480   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.64, mean=12.66, max.=12.68) deg. Tholen spectral type spec_T C:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 1595 Tanga           Discovered 1930 June 19 by C. Jackson and H. E. Wood at Johannesburg. Named for a port on the eastern seaboard of Tanzania. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5182 Last Updated: 2006-03-21 [ show close-approach data ] Alternate Designations  1930 ME = 1935 TB = 1942 FB = 1947 LQ = 1948 TN2 = 1950 BB = 1951 JK = 1952 QG1 = 1959 EK = 1968 HA1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-28 15:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin