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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 ]

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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 2014-10-08Last 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 ]
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