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21135 (1993 FL14)
Classification: Main-belt Asteroid          SPK-ID: 2021135
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08259537980424196 3.5861e-08  
a 2.549255160989267 1.0165e-08 au
q 2.338698462749435 9.1738e-08 au
i 4.584991701136151 3.9597e-06 deg
node 108.5026035934151 4.7311e-05 deg
peri 171.6671754575246 5.7339e-05 deg
M 207.97166649551 3.5616e-05 deg
tp 2459828.327625974944
(2022-Sep-05.82762598)		 0.0001489 TDB
period 1486.683042173218
4.07		 8.8925e-06
2.435e-08		 d
yr
n .2421497991083263 1.4484e-09 deg/d
Q 2.7598118592291 1.1005e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      10222 days (27.99 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:40:19  

Additional Information
 Earth MOID = 1.32045 au 
 Jupiter MOID = 2.32971 au 
 T_jup = 3.432 
[ 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 14.31   n/a E2021B10  
diameter diameter 3.555 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.351   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21135 (1993 FL14)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 FL14 = 1998 QY9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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