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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07476900708300271 3.3336e-08  
a 2.897046543131002 1.3355e-08 au
q 2.680437249627852 1.0106e-07 au
i 1.13560458956287 3.7376e-06 deg
node 330.4056037484123 0.00017332 deg
peri 46.35229264920543 0.0001751 deg
M 296.5235901181898 2.5703e-05 deg
tp 2459318.071478298040
(2021-Apr-13.57147830)
0.00012923 TDB
period 1801.074326669753
4.93
1.2454e-05
3.41e-08
d
yr
n .1998807015730729 1.3822e-09 deg/d
Q 3.113655836634153 1.4354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      10520 days (28.80 yr)  
   first obs. used      1991-10-13  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:22:29  

Additional Information
 Earth MOID = 1.68177 au 
 Jupiter MOID = 2.27381 au 
 T_jup = 3.284 
[ 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 13.9   n/a MPO347614  
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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