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17617 Takimotoikuo (1995 UD45)
Classification: Main-belt Asteroid          SPK-ID: 2017617
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546153318930939 4.5829e-08  
a 3.003140861979599 1.9939e-08 au
q 2.538809240882911 1.3988e-07 au
i 12.38844444122502 5.2844e-06 deg
node 48.26030847671703 1.8401e-05 deg
peri 329.5812727094215 2.465e-05 deg
M 287.1141670420922 2.0525e-05 deg
tp 2459385.359846489174
(2021-Jun-19.85984649)
0.00011074 TDB
period 1900.911866042831
5.20
1.8931e-05
5.183e-08
d
yr
n .1893827938216934 1.886e-09 deg/d
Q 3.467472483076286 2.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      23474 days (64.27 yr)  
   first obs. used      1956-03-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:12:15  

Additional Information
 Earth MOID = 1.55054 au 
 Jupiter MOID = 2.00517 au 
 T_jup = 3.199 
[ 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 12.5   n/a MPO449080  
diameter diameter 10.513 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17617 Takimotoikuo           Discovered 1995 Oct. 28 by K. Endate and K. Watanabe at Kitami.
Ikuo Takimoto (b. 1954) became interested in astronomy after seeing a photograph of Comet Ikeya-Seki. He now photographs sunspots and solar prominences, in both white light and H- \alpha , at the private observatory he completed in 1988.
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 2014-01-16Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 1995 UD45 = 1981 AZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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