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48778 Shokoyukako (1997 RE)
Classification: Main-belt Asteroid          SPK-ID: 2048778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590953349004127 4.0762e-08  
a 2.794590885879158 1.4366e-08 au
q 2.349984512980572 1.149e-07 au
i 9.860294859969535 4.1622e-06 deg
node 152.2906046632444 2.4551e-05 deg
peri 206.1667088799359 2.7071e-05 deg
M 22.81557324622542 1.2824e-05 deg
tp 2459288.355442339603
(2021-Mar-14.85544234)
6.0395e-05 TDB
period 1706.380126310595
4.67
1.3158e-05
3.602e-08
d
yr
n .2109729212437352 1.6268e-09 deg/d
Q 3.239197258777744 1.6652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      9358 days (25.62 yr)  
   first obs. used      1995-03-05  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:11:41  

Additional Information
 Earth MOID = 1.34886 au 
 Jupiter MOID = 2.20899 au 
 T_jup = 3.288 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.47   n/a E2021B10  
diameter diameter 3.946 km 1.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48778 Shokoyukako           Discovered 1997 Sept. 1 by H. Abe at Yatsuka.
Shoko (b. 1989) and Yukako Abe (b. 1992) are the discoverer's daughters.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

Alternate Designations
 1997 RE = 2001 KP46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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