+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2770 Tsvet (1977 SM1) Classification: Main-belt Asteroid          SPK-ID: 2002770 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06350020818950783 3.9209e-08   a 2.170214325049977 5.966e-09 au q 2.032405263593451 8.5047e-08 au i 2.858895478136644 3.3276e-06 deg node 38.74330984793671 7.9638e-05 deg peri 135.112214115426 8.4428e-05 deg M 333.7854828688934 2.7817e-05 deg tp 2459085.533827409880 (2020-Aug-24.03382741) 9.0246e-05 TDB period 1167.75669429485 3.20 4.8153e-06 1.318e-08 d yr n .3082833964975778 1.2712e-09 deg/d Q 2.308023386506503 6.3448e-09 au   Orbit Determination Parameters    # obs. used (total)      2726      data-arc span      24542 days (67.19 yr)      first obs. used      1953-02-15      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42138      source      ORB      producer      Otto Matic      solution date      2020-May-20 01:45:06   Additional Information  Earth MOID = 1.03763 au   Jupiter MOID = 2.6517 au   T_jup = 3.685  [ 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 12.8   n/a MPO347542   diameter diameter 7.245 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.82 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Franco, L.; Papini, R. (2014) Minor Planet Bull. 41, 170.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] geometric albedo albedo 0.135   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   2770 Tsvet (1977 SM1)          Discovered 1977-Sep-19 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1977 SM1 = 1966 DN = 1974 WN = 1976 KS = 1977 TL4 = 1977 UU1 = 1979 HM1 = 1980 TB10 = 1982 DZ2 = 1982 HR2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 17:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin