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11861 Teruhime (1988 VY2)
Classification: Main-belt Asteroid          SPK-ID: 2011861
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074211313526718 2.0894e-08  
a 3.161663526828606 1.7074e-08 au
q 2.822034053820198 6.945e-08 au
i 12.43320399969895 3.9882e-07 deg
node 63.94179325396609 8.4864e-07 deg
peri 273.9724739876924 8.7226e-06 deg
M 319.9982146740947 6.548e-06 deg
tp 2459428.664868316428
(2021-Aug-02.16486832)
3.766e-05 TDB
period 2053.39216549218
5.62
1.6633e-05
4.554e-08
d
yr
n .1753196520615491 1.4201e-09 deg/d
Q 3.501292999837013 1.8908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2429  
   data-arc span      11632 days (31.85 yr)  
   first obs. used      1988-11-10  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:59:40  

Additional Information
 Earth MOID = 1.84752 au 
 Jupiter MOID = 1.91745 au 
 T_jup = 3.159 
[ 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 11.32   n/a E2021B10  
diameter diameter 11.677 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.435   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11861 Teruhime           Discovered 1988 Nov. 10 by T. Kojima at Chiyoda.
Teruhime (1552-1627) was a wife and supporter of Kuroda Kanbe, who was instrumental in helping Japan end the Age of Civil Wars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-10-08Last Updated: 2015-01-12

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