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27790 Urashimataro (1993 CG1)
Classification: Main-belt Asteroid          SPK-ID: 2027790
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05956324495394571 3.2873e-08  
a 3.171906957997647 2.0104e-08 au
q 2.982977886887308 1.0972e-07 au
i 10.25400400242921 3.8999e-06 deg
node 128.4961490108121 2.9455e-05 deg
peri 338.0211425354987 5.5292e-05 deg
M 334.215832786177 4.6954e-05 deg
tp 2459148.284774921146
(2020-Oct-25.78477492)
0.00026938 TDB
period 2063.379380470757
5.65
1.9617e-05
5.371e-08
d
yr
n .1744710659645473 1.6587e-09 deg/d
Q 3.360836029107986 2.1301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1991-11-12  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:10:38  

Additional Information
 Earth MOID = 2.00221 au 
 Jupiter MOID = 1.72117 au 
 T_jup = 3.174 
[ 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 13.4   n/a MPO502365  
diameter diameter 11.394 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27790 Urashimataro           Discovered 1993 Feb. 13 by T. Seki at Geisei.
Urashima Taro is a Japanese legend about a kind-hearted young fisherman. The story is loved by generations of children and many beaches across Japan are claimed to be the setting where the story took place.
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
 1993 CG1 = 1991 VZ15 = 1999 GK47 = 2000 KS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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