+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5826 Bradstreet (1990 DB) Classification: Main-belt Asteroid          SPK-ID: 2005826 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1392897561786744 1.3338e-08   a 3.072236297779498 1.4506e-08 au q 2.644305252938518 4.4177e-08 au i 2.481278624649503 6.9812e-07 deg node 157.5850243501566 2.5605e-05 deg peri 90.91202549539742 2.7409e-05 deg M 179.5783081425865 1.3043e-05 deg tp 2458219.358319489964 (2018-Apr-10.85831949) 6.7794e-05 TDB period 1966.891261182619 5.39 1.3931e-05 3.814e-08 d yr n .1830299453278089 1.2963e-09 deg/d Q 3.500167342620477 1.6527e-08 au   Orbit Determination Parameters    # obs. used (total)      2871      data-arc span      22986 days (62.93 yr)      first obs. used      1958-04-08      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46266      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 18:01:10   Additional Information  Earth MOID = 1.63044 au   Jupiter MOID = 1.53143 au   T_jup = 3.214  [ 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 12.07   n/a E2021B10   diameter diameter 18.818 km 0.224 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: [Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.125   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   5826 Bradstreet           Discovered 1990 Feb. 16 by S. Ueda and H. Kaneda at Kushiro. David Bradstreet (b. 1954), Chair of the Astronomy Department at Eastern University (St. Davids, PA), is recognized for his development of the Binary Maker light-curve software. He is also known for developing Spitz Full-Dome Curriculum planetarium course materials at Julia Fowler Planetarium in St. Davids. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2014-10-08 Last Updated: 2015-01-12 [ show close-approach data ] Alternate Designations  1990 DB = 1942 HG = 1958 GV = 1969 HD = 1971 VE = 1975 NN = 1976 SU9 = 1977 XR3 = 1981 SA1 = 1982 XP = 1986 PH5 = 1990 ER10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 02:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin