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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539041858645617 2.5733e-08  
a 3.000972652461408 1.5222e-08 au
q 2.539110399582521 8.0488e-08 au
i 12.38503658096081 1.9086e-07 deg
node 48.19147933842616 3.8295e-06 deg
peri 329.7671672643604 4.6537e-06 deg
M 324.838059822116 5.6184e-06 deg
tp 2459385.964935772213
(2021-Jun-20.46493577)
3.0298e-05 TDB
period 1898.853605353432
5.20
1.4448e-05
3.956e-08
d
yr
n .1895880751338877 1.4425e-09 deg/d
Q 3.462834905340296 1.7565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1950  
   data-arc span      23652 days (64.76 yr)  
   first obs. used      1956-03-11  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:37:31  

Additional Information
 Earth MOID = 1.54949 au 
 Jupiter MOID = 2.01037 au 
 T_jup = 3.200 
[ 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 12.56   n/a E2021B10  
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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