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17567 Hoshinoyakata (1994 GP)
Classification: Main-belt Asteroid          SPK-ID: 2017567
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 .1567234787323848 5.0115e-08  
a 2.78130495537254 1.2361e-08 au
q 2.345409167350935 1.4005e-07 au
i 8.73225287739192 5.0201e-06 deg
node 44.33378966199105 2.695e-05 deg
peri 160.2400273483435 2.9071e-05 deg
M 226.4793163605762 1.2923e-05 deg
tp 2459628.872814518135
(2022-Feb-18.37281452)
6.252e-05 TDB
period 1694.225996006926
4.64
1.1294e-05
3.092e-08
d
yr
n .2124864102241814 1.4165e-09 deg/d
Q 3.217200743394145 1.4298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2886  
   data-arc span      16139 days (44.19 yr)  
   first obs. used      1976-05-30  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:13:58  

Additional Information
 Earth MOID = 1.34308 au 
 Jupiter MOID = 1.74629 au 
 T_jup = 3.298 
[ 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 12.8   n/a MPO452419  
diameter diameter 17.125 km 2.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 19.882 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.055   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17567 Hoshinoyakata           Discovered 1994 Apr. 5 by K. Endate and K. Watanabe at Kitami.
Hoshi-no-Yakata is a public astronomical observatory in Kasuga city, Fukuoka, Japan. It was re-established within the residential area in 2011, enabling easy access by local residents.
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 2016-04-22Last Updated: 2016-04-25

[ show close-approach data ]
Alternate Designations
 1994 GP = 1980 EX1 = 1996 WW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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