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15407 Udakiyoo (1997 WM16)
Classification: Main-belt Asteroid          SPK-ID: 2015407
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887428495791157 3.5629e-08  
a 2.268189612938031 7.8372e-09 au
q 1.840085042006355 8.268e-08 au
i 6.725516492615333 3.4288e-06 deg
node 116.5642007928701 2.9743e-05 deg
peri 223.5029133224923 3.0718e-05 deg
M 243.3036822940663 9.3903e-06 deg
tp 2459404.956774737654
(2021-Jul-09.45677474)
3.3592e-05 TDB
period 1247.720937283285
3.42
6.4668e-06
1.771e-08
d
yr
n .2885260551801295 1.4954e-09 deg/d
Q 2.696294183869707 9.3164e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2334  
   data-arc span      17094 days (46.80 yr)  
   first obs. used      1973-08-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:49:47  

Additional Information
 Earth MOID = .837524 au 
 Jupiter MOID = 2.69275 au 
 T_jup = 3.582 
[ 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 13.7   n/a MPO365437  
diameter diameter 4.617 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15407 Udakiyoo           Discovered 1997 Nov. 24 by Y. Ikari at Moriyama.
Kiyoo Uda (1959-2009) was a potter at Shigaraki-ware and an amateur astronomer. He observed meteors, variable stars and occultations enthusiastically and made great contributions to astronomical popularization in Shiga prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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Alternate Designations
 1997 WM16 = 1973 QY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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