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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160826534406966 4.2126e-08  
a 2.574148566670817 1.1045e-08 au
q 2.275334570701103 1.0526e-07 au
i .7422941520381136 4.1649e-06 deg
node 24.42356835965989 0.00029988 deg
peri 148.4191895804614 0.00030036 deg
M 199.2023206532695 1.9526e-05 deg
tp 2459874.292411647753
(2022-Oct-21.79241165)
8.4414e-05 TDB
period 1508.51224457129
4.13
9.7088e-06
2.658e-08
d
yr
n .2386457261421233 1.5359e-09 deg/d
Q 2.872962562640532 1.2327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      16016 days (43.85 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:57  

Additional Information
 Earth MOID = 1.28014 au 
 Jupiter MOID = 2.09023 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 15.19   n/a E2021B10  
diameter diameter 2.079 km 0.795 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.78 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.; 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] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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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