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11156 Al-Khwarismi (1997 YP14)
Classification: Main-belt Asteroid          SPK-ID: 2011156
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07391834868746798 3.2946e-08  
a 2.893878985443138 1.2073e-08 au
q 2.679968229537816 1.0023e-07 au
i 1.135850109150639 3.7254e-06 deg
node 330.4006723036208 0.00015301 deg
peri 46.85923214327158 0.00015495 deg
M 15.25560428429495 2.4663e-05 deg
tp 2459320.301593326300
(2021-Apr-15.80159333)
0.0001231 TDB
period 1798.121260314253
4.92
1.1253e-05
3.081e-08
d
yr
n .2002089669620411 1.2529e-09 deg/d
Q 3.107789741348459 1.2966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2001  
   data-arc span      10862 days (29.74 yr)  
   first obs. used      1991-10-13  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:09:08  

Additional Information
 Earth MOID = 1.68065 au 
 Jupiter MOID = 2.27226 au 
 T_jup = 3.285 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07785500260169177 3.2947e-08  
q 2.669175065286963 1.0079e-07 au
tp 2457521.171771744080
(2016-May-12.67177174)
0.00011444 TDB
node 330.6698977889887 0.00015335 deg
peri 46.76096549262978 0.00015506 deg
i 1.135197772114362 3.7199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2001  
   data-arc span      10862 days (29.74 yr)  
   first obs. used      1991-10-13  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:09:08  

Additional Information
 Jupiter MOID = 2.27226 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.085485328483762E-15 -3.303465188177364E-15 -7.688883885384323E-13 -1.452877974811359E-15 -1.197232098230854E-13 -7.146320775618107E-17
q -3.303465188177364E-15 1.015862231543784E-14 2.348243618036138E-12 4.192447901427039E-15 3.615064986267126E-13 3.062283724187789E-16
tp -7.688883885384323E-13 2.348243618036138E-12 1.309697433573355E-8 3.254657455866684E-12 2.642103087798712E-9 2.138307333290016E-13
node -1.452877974811359E-15 4.192447901427039E-15 3.254657455866684E-12 2.351484678085496E-8 -2.350925800744546E-8 -3.978658470731681E-11
peri -1.197232098230854E-13 3.615064986267126E-13 2.642103087798712E-9 -2.350925800744546E-8 2.404508031748458E-8 3.98202148070614E-11
i -7.146320775618107E-17 3.062283724187789E-16 2.138307333290016E-13 -3.978658470731681E-11 3.98202148070614E-11 1.383801510905031E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.96   n/a E2021B10  
diameter diameter 4.743 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11156 Al-Khwarismi           Discovered 1997 Dec. 31 by P. G. Comba at Prescott.
Muhammad ibn Musa al-Khwarismi (fl. c. 825) was an Arab mathematician and astronomer whose books, translated into Latin, were the main source through which Indian numerals and Arabic algebra came into Western Europe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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