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15239 Stenhammar (1989 CR2)
Classification: Main-belt Asteroid          SPK-ID: 2015239
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05346732959171852 3.9285e-08  
a 2.983854563088053 1.9262e-08 au
q 2.82431582770967 1.214e-07 au
i 9.057915640350338 4.2261e-06 deg
node 247.0790328359229 2.8595e-05 deg
peri 26.3141294964698 5.1729e-05 deg
M 256.8498266688981 4.4281e-05 deg
tp 2459539.926608256653
(2021-Nov-21.42660826)
0.0002326 TDB
period 1882.629691266277
5.15
1.823e-05
4.991e-08
d
yr
n .1912218858918878 1.8516e-09 deg/d
Q 3.143393298466435 2.0292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      11405 days (31.23 yr)  
   first obs. used      1989-02-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:09:00  

Additional Information
 Earth MOID = 1.81142 au 
 Jupiter MOID = 1.9181 au 
 T_jup = 3.237 
[ 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 13.6   n/a MPO467856  
diameter diameter 7.089 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15239 Stenhammar           Discovered 1989 Feb. 4 by E. W. Elst at the European Southern Observatory.
Carl Wilhelm Eugen Stenhammar (1871-1927) was a Swedish composer, conductor and pianist. His work includes two piano concertos, two symphonies and several quartets. His Sensommarnätter ("Late Summer Nights", 1900-1904) includes beautiful episodes of quiet gestures that are sprinkled throughout the piece.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

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Alternate Designations
 1989 CR2 = 1991 NC8 = 2000 EU104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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