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JPL Small-Body Database Browser
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19434 Bahuffman (1998 FD75)
Classification: Main-belt Asteroid          SPK-ID: 2019434
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11575127477438 4.2275e-08  
a 2.574950761548414 1.1473e-08 au
q 2.276896928417924 1.0561e-07 au
i .7422168608495142 4.5489e-06 deg
node 24.42958640358981 0.00035933 deg
peri 148.4877352970189 0.00035995 deg
M 151.3941285893823 2.193e-05 deg
tp 2458365.814828289823
9.0484e-05 TDB
period 1509.217457404673
n .238534214028424 1.5943e-09 deg/d
Q 2.873004594678903 1.2801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      15522 days (42.50 yr)  
   first obs. used      1977-02-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:27:53  

Additional Information
 Earth MOID = 1.28208 au 
 Jupiter MOID = 2.09111 au 
 T_jup = 3.418 
[ 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 15.1   n/a MPO431722  
diameter diameter 2.079 km 0.795 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 4.78 h n/a LCDB (Rev. 2019-August); 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.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.258   0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

19434 Bahuffman           Discovered 1998 Mar. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Benjamin Allen Huffman (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his environmental science project. He attends the Heritage Christian School, Indianapolis, Indiana, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FD75 = 1977 DO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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