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21414 Blumenthal (1998 FQ69)
Classification: Main-belt Asteroid          SPK-ID: 2021414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2497315233971521 3.7379e-08  
a 2.41498852331121 6.211e-09 au
q 1.811889760398063 8.9921e-08 au
i 11.81001118732747 4.2199e-06 deg
node 182.2570169868054 1.5233e-05 deg
peri 179.6998702528462 1.6338e-05 deg
M 166.7079183990642 6.5507e-06 deg
tp 2458365.717768614098
(2018-Sep-04.21776861)
2.4037e-05 TDB
period 1370.790334937129
3.75
5.2882e-06
1.448e-08
d
yr
n .2626222193319677 1.0131e-09 deg/d
Q 3.018087286224357 7.762e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1820  
   data-arc span      9554 days (26.16 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:57:09  

Additional Information
 Earth MOID = .809294 au 
 Jupiter MOID = 2.44139 au 
 T_jup = 3.446 
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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 14.1   n/a MPO416934  
diameter diameter 3.264 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.456   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21414 Blumenthal           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Daniel Abraham Blumenthal (b. 1988) was awarded second place in the 2006 Intel International Science and Engineering Fair for his microbiology project. He attends the Jones College Prep, Chicago, Illinois, 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: 20060711/MPCPages.arcLast Updated: 2006-07-17

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Alternate Designations
 1998 FQ69 = 1999 NF53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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