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30307 Marcelriesz (2000 JE)
Classification: Main-belt Asteroid          SPK-ID: 2030307
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0251782996780856 3.9012e-08  
a 3.030682575958456 1.7892e-08 au
q 2.954375141831822 1.1931e-07 au
i 9.85350950740499 4.4398e-06 deg
node 56.4506092117287 3.3506e-05 deg
peri 233.5164172071442 0.0001345 deg
M 240.7911927799021 0.00013239 deg
tp 2459638.638499527298
(2022-Feb-28.13849953)
0.00070948 TDB
period 1927.121537301115
5.28
1.7066e-05
4.672e-08
d
yr
n .1868071074044302 1.6543e-09 deg/d
Q 3.106990010085091 1.8343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:47:09  

Additional Information
 Earth MOID = 1.9493 au 
 Jupiter MOID = 1.92814 au 
 T_jup = 3.220 
[ 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 13.4   n/a MPO344538  
diameter diameter 7.575 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.51171 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.162   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30307 Marcelriesz           Discovered 2000 May 2 by P. G. Comba at Prescott.
Marcel Riesz (1886-1969) was a Hungarian-born mathematician (and brother of Frigyes Riesz) who spent most of his working life in Sweden. He did research in convexity theory, linear operators, potential theory and partial differential equations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 JE = 1999 CZ100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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