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15262 Abderhalden (1990 TG4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015262
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423464172157758 3.1819e-08  
a 3.213296979375094 1.6643e-08 au
q 2.755895666910775 1.005e-07 au
i .6281726155404579 3.6514e-06 deg
node 5.737805069065438 0.00032926 deg
peri 287.9968513328463 0.00032953 deg
M 171.7612236933807 1.5072e-05 deg
tp 2458196.699632630154
(2018-Mar-19.19963263)
8.5217e-05 TDB
period 2103.898216853883
5.76
1.6346e-05
4.475e-08
d
yr
n .1711109392631812 1.3294e-09 deg/d
Q 3.670698291839413 1.9012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2108  
   data-arc span      15559 days (42.60 yr)  
   first obs. used      1978-08-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:53:24  

Additional Information
 Earth MOID = 1.73792 au 
 Jupiter MOID = 1.51942 au 
 T_jup = 3.175 
[ 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 13.34   n/a E2021B10  
diameter diameter 12.201 km 0.545 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.533 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.062   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15262 Abderhalden           Discovered 1990 Oct. 12 by F. Borngen and L. D. Schmadel at Tautenburg.
Swiss physiologist Emil Abderhalden (1877-1950) lectured at the University of Halle during 1911-1945. He contributed more than 1000 articles to the physiologic chemistry of metabolism, created the basis of modern dietetics, discovered the defensive enzymes against exogenous proteins and promoted social welfare.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1990 TG4 = 1978 PJ3 = 1978 RM3 = 1999 FO42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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