+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2096 Vaino (1939 UC) Classification: Main-belt Asteroid          SPK-ID: 2002096 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2335619952800774 4.1237e-08   a 2.444465901884924 6.3949e-09 au q 1.873531568446567 1.0229e-07 au i .9926665324348051 4.2451e-06 deg node 304.7392043883445 0.00019577 deg peri 38.64813656623481 0.00019591 deg M 58.23758630479205 6.833e-06 deg tp 2458774.673310216828 (2019-Oct-18.17331022) 2.6425e-05 TDB period 1395.964590573226 3.82 5.4779e-06 1.5e-08 d yr n .2578861974229397 1.012e-09 deg/d Q 3.01540023532328 7.8885e-09 au   Orbit Determination Parameters    # obs. used (total)      2172      data-arc span      29621 days (81.10 yr)      first obs. used      1939-10-07      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50938      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:04:21   Additional Information  Earth MOID = .865869 au   Jupiter MOID = 2.39803 au   T_jup = 3.461  [ 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 13.7   n/a MPO502173   diameter diameter 11.217 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 5.55 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Fauerbach, M.; Fauerbach, M. (2020) Minor Planet Bull. 47, 18-19.] geometric albedo albedo 0.067   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   2096 Vaino           Discovered 1939 Oct. 18 by Y. Vaisala at Turku. Named for Vainamoinen, an old and wise magician, a central figure in Finnish folklore and Kalevala. This minor planet also honors Vaino Vaisala, brother of the discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5451 Last Updated: 2006-03-21 [ show close-approach data ] Alternate Designations  1939 UC = 1958 UA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 16:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin