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21819 (1999 TX32)
Classification: Main-belt Asteroid          SPK-ID: 2021819
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 .08653641084111924 3.2281e-08  
a 3.159782000627998 1.9124e-08 au
q 2.88634580725328 1.0573e-07 au
i 1.060034853554132 3.6401e-06 deg
node 235.211029317297 0.00018986 deg
peri 19.4315893777029 0.00019146 deg
M 28.8945894967746 2.2111e-05 deg
tp 2459035.836198980694
(2020-Jul-05.33619898)
0.00012659 TDB
period 2051.559457993594
5.62
1.8625e-05
5.099e-08
d
yr
n .1754762693312709 1.593e-09 deg/d
Q 3.433218194002716 2.0779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1562  
   data-arc span      8544 days (23.39 yr)  
   first obs. used      1997-04-01  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:54:48  

Additional Information
 Earth MOID = 1.86999 au 
 Jupiter MOID = 1.59818 au 
 T_jup = 3.199 
[ 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 13.71   n/a E2021B10  

21819 (1999 TX32)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TX32 = 1998 MG36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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