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11553 Scheria (1993 BD6)
Classification: Main-belt Asteroid          SPK-ID: 2011553
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05777122372912297 3.9805e-08  
a 2.640637554038721 1.2158e-08 au
q 2.488084691116826 1.0715e-07 au
i 2.34486389322483 4.7565e-06 deg
node 333.7803780475967 9.5856e-05 deg
peri 331.3302412635544 0.00010319 deg
M 327.7374982042428 3.7883e-05 deg
tp 2459140.961454355872
(2020-Oct-18.46145436)
0.00016491 TDB
period 1567.334234903129
4.29
1.0825e-05
2.964e-08
d
yr
n .2296893617092784 1.5863e-09 deg/d
Q 2.793190416960617 1.286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1473  
   data-arc span      10448 days (28.61 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:16:36  

Additional Information
 Earth MOID = 1.47328 au 
 Jupiter MOID = 2.33783 au 
 T_jup = 3.392 
[ 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 14.3   n/a MPO473923  
diameter diameter 5.417 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11553 Scheria           Discovered 1993 Jan. 27 by E. W. Elst at Caussols.
The island of Scheria (Corfu), one of the Greek Ionian islands, was first mentioned in Homer's Odyssey.
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 2014-10-08Last Updated: 2015-01-12

[ show close-approach data ]
Alternate Designations
 1993 BD6 = 1998 HV68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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