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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05946613533059047 3.3266e-08  
a 3.170576167030391 2.0382e-08 au
q 2.982034255605817 1.1038e-07 au
i 10.25398082516185 4.0226e-06 deg
node 128.5044980592191 2.9693e-05 deg
peri 338.4159530397063 5.5801e-05 deg
M 264.0125547485456 4.7431e-05 deg
tp 2459150.316343293130
(2020-Oct-27.81634329)
0.00027273 TDB
period 2062.080963474
5.65
1.9884e-05
5.444e-08
d
yr
n .1745809240164391 1.6834e-09 deg/d
Q 3.359118078454966 2.1594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1991-11-12  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:41:36  

Additional Information
 Earth MOID = 2.00141 au 
 Jupiter MOID = 1.72336 au 
 T_jup = 3.175 
[ 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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