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1815 Beethoven (1932 CE1)
Classification: Main-belt Asteroid          SPK-ID: 2001815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917549793452333 1.8308e-08  
a 3.152229889177058 1.0501e-08 au
q 2.547774111886484 5.962e-08 au
i 2.740729145683235 3.5564e-07 deg
node 110.8089161148294 1.3959e-05 deg
peri 358.4155082840159 1.5287e-05 deg
M 346.8858679865853 3.6559e-06 deg
tp 2459470.966733060833
(2021-Sep-13.46673306)
2.085e-05 TDB
period 2044.208787472742
5.60
1.0214e-05
2.796e-08
d
yr
n .1761072558762789 8.7997e-10 deg/d
Q 3.756685666467632 1.2514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3228  
   data-arc span      32578 days (89.19 yr)  
   first obs. used      1932-01-27  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:50:31  

Additional Information
 Earth MOID = 1.56483 au 
 Jupiter MOID = 1.3771 au 
 T_jup = 3.177 
[ 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 11.33   n/a MPCxxxxx IRAS observations used: 5
diameter diameter 30.598 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 54. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
geometric albedo albedo 0.057   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.617   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.93 deg.
U-B UB 0.330   0.047 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.93 deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1815 Beethoven (1932 CE1)          Discovered 1932-Jan-27 by Reinmuth, K. at Heidelberg
Discovery is clearly Jan. 27, although this object was originally thought to be planet 820. By error a provisional designation 1932 CE1 instead of a B designation was assigned.
Note: "planet" implies "minor planet"
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 CE1 = 1938 EP = 1952 SO = 1954 BD = 1958 TJ = 1969 UY1 = 1971 BN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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