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1974 Caupolican (1968 OE)
Classification: Main-belt Asteroid          SPK-ID: 2001974
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0971763523842704 3.2339e-08  
a 3.164808130248875 1.5143e-08 au
q 2.857263620155206 1.0082e-07 au
i 10.21657598741214 3.8728e-06 deg
node 168.2397930683744 1.9849e-05 deg
peri 90.29361374415225 2.8405e-05 deg
M 187.2325544436153 2.1205e-05 deg
tp 2460383.413106483851
(2024-Mar-13.91310648)
0.0001237 TDB
period 2056.456395416425
5.63
1.476e-05
4.041e-08
d
yr
n .175058416411062 1.2565e-09 deg/d
Q 3.472352640342544 1.6615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2084  
   data-arc span      25452 days (69.68 yr)  
   first obs. used      1951-08-07  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:00:34  

Additional Information
 Earth MOID = 1.86688 au 
 Jupiter MOID = 1.65683 au 
 T_jup = 3.172 
[ 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 13.13   n/a MPCxxxxx  
diameter diameter 11.588 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1974 Caupolican           Discovered 1968 July 18 by C. Torres on exposures by S. Cofre and himself at the University of Chile, Cerro El Roble Station.
Named for the Great Chief of the unified Araucanian tribes. He was selected after winning a competition in which a trunk had to be carried on the shoulders for as long as possible; he carried it for three days and nights.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5358Last Updated: 2006-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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