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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05743702660534508 4.0244e-08  
a 2.638839807337648 1.2442e-08 au
q 2.487272695116352 1.0781e-07 au
i 2.34489993225879 4.8312e-06 deg
node 333.8042604138238 9.6375e-05 deg
peri 331.9414064138091 0.00010389 deg
M 235.1572545546243 3.8606e-05 deg
tp 2459143.473678712896
(2020-Oct-20.97367871)
0.00016789 TDB
period 1565.733945046647
4.29
1.1074e-05
3.032e-08
d
yr
n .2299241203391516 1.6262e-09 deg/d
Q 2.790406919558944 1.3157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      10036 days (27.48 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:45  

Additional Information
 Earth MOID = 1.47174 au 
 Jupiter MOID = 2.34148 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456413.5 (2013-May-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0558248138705348 3.9654e-08  
q 2.492242511643445 1.0583e-07 au
tp 2456001.107555422620
(2012-Mar-14.60755542)
0.00017602 TDB
node 333.9256007602781 9.6584e-05 deg
peri 329.7872907875016 0.00010467 deg
i 2.342567019340626 4.8243e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      10036 days (27.48 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:45  

Additional Information
 Jupiter MOID = 2.34148 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.572438733051042E-15 -4.170836763957368E-15 1.915421476451913E-12 -8.097404004097737E-15 4.442700412306534E-13 3.100778779864851E-16
q -4.170836763957368E-15 1.119972235047631E-14 -5.242531044886234E-12 2.281626570249652E-14 -1.207731881378042E-12 -7.186790792746132E-16
tp 1.915421476451913E-12 -5.242531044886234E-12 3.098339815494676E-8 -4.341327157105907E-11 7.113461437148774E-9 -1.252374419044536E-12
node -8.097404004097737E-15 2.281626570249652E-14 -4.341327157105907E-11 9.328476060925601E-9 -9.330147775799636E-9 6.256201438300216E-11
peri 4.442700412306534E-13 -1.207731881378042E-12 7.113461437148774E-9 -9.330147775799636E-9 1.095522431290461E-8 -6.280785755713101E-11
i 3.100778779864851E-16 -7.186790792746132E-16 -1.252374419044536E-12 6.256201438300216E-11 -6.280785755713101E-11 2.327380935933194E-11

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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