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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072315308165062 3.9442e-08  
a 3.158894560042885 2.033e-08 au
q 2.820161460681552 1.2813e-07 au
i 12.44167366322447 4.493e-06 deg
node 63.96384270698324 1.9851e-05 deg
peri 274.4194491330803 3.1054e-05 deg
M 284.466134899208 2.7302e-05 deg
tp 2459430.769269611089
(2021-Aug-04.26926961)
0.00015746 TDB
period 2050.69523257281
5.61
1.9797e-05
5.42e-08
d
yr
n .1755502203749421 1.6947e-09 deg/d
Q 3.497627659404217 2.251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      11404 days (31.22 yr)  
   first obs. used      1988-11-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:10:40  

Additional Information
 Earth MOID = 1.84757 au 
 Jupiter MOID = 1.92375 au 
 T_jup = 3.160 
[ 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 11.2   n/a MPO435812  
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

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