+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1590 Tsiolkovskaja (1933 NA) Classification: Main-belt Asteroid          SPK-ID: 2001590 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1572473481024031 2.4862e-08   a 2.230097887355168 4.4177e-09 au q 1.879420908559796 5.52e-08 au i 4.351046229397582 3.5214e-06 deg node 226.5240700030188 3.9503e-05 deg peri 52.54908807741457 4.1355e-05 deg M 38.53960736992306 1.2695e-05 deg tp 2458870.276578633924 (2020-Jan-21.77657863) 4.2775e-05 TDB period 1216.422140521692 3.33 3.6145e-06 9.896e-09 d yr n .2959498910843609 8.794e-10 deg/d Q 2.58077486615054 5.1124e-09 au   Orbit Determination Parameters    # obs. used (total)      3580      data-arc span      41311 days (113.10 yr)      first obs. used      1907-10-04      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4326      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:01:33   Additional Information  Earth MOID = .866915 au   Jupiter MOID = 2.53746 au   T_jup = 3.623  [ 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 11.7   n/a MPO365263   diameter diameter 10.300 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.731 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Lagerkvist, C.-I. (1978) Astron. Astrophys. Suppl. Ser. 31, 361-381.] [Warner, B.D. (2008) Minor Planet Bull. 35, 67-71.] [Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.] [Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.] [Klinglesmith III, D.A.; Hendrickx, S. (2018) Minor Planet Bull. 45, 162-165.] geometric albedo albedo 0.291   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1590 Tsiolkovskaja (1933 NA)          Discovered 1933-Jul-01 by Neujmin, G. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1933 NA = 1933 OU = 1936 HB = 1937 VE = 1940 RN = 1940 RX = 1943 OD = 1950 SF = A907 TB = A913 MC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 06:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin