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10444 de Hevesy (3290 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2010444
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04384169864533168 4.3913e-08  
a 3.185239098766683 1.8012e-08 au
q 3.045592806085226 1.4628e-07 au
i 6.26564870767311 4.5807e-06 deg
node 31.31220455292922 3.591e-05 deg
peri 113.2337901573089 6.4186e-05 deg
M 330.3468792701402 5.1484e-05 deg
tp 2459371.532793413074
(2021-Jun-06.03279341)
0.00029686 TDB
period 2076.402217143562
5.68
1.7612e-05
4.822e-08
d
yr
n .1733768135227866 1.4706e-09 deg/d
Q 3.324885391448139 1.8801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1928  
   data-arc span      17291 days (47.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:54:57  

Additional Information
 Earth MOID = 2.06377 au 
 Jupiter MOID = 1.66811 au 
 T_jup = 3.188 
[ 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 13.20   n/a E2021B10  
diameter diameter 13.022 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 26.6848 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.059   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10444 de Hevesy           Discovered 1973 Sept. 30 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Hungarian-Swedish physicist George de Hevesy (1885-1966) was awarded the Nobel Prize for chemistry in 1943 for his work on the use of isotopes as tracers in the study of chemical processes. Working with Dirk Coster in Copenhagen in 1923, he discovered the element hafnium. The name was proposed by W. A. Fröger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 3290 T-2 = 1990 SQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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