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21163 (1993 TJ24)
Classification: Main-belt Asteroid          SPK-ID: 2021163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183073485505199 3.6025e-08  
a 2.175520726519377 7.6098e-09 au
q 1.918140637648169 7.8215e-08 au
i 2.256508635735981 4.5615e-06 deg
node 123.1998494375766 9.8332e-05 deg
peri 264.8945487140176 0.00010038 deg
M 162.5406727517678 2.2256e-05 deg
tp 2458671.320737235506
(2019-Jul-06.82073724)
7.1323e-05 TDB
period 1172.042242535544
3.21
6.1496e-06
1.684e-08
d
yr
n .3071561646286672 1.6116e-09 deg/d
Q 2.432900815390585 8.5102e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      10544 days (28.87 yr)  
   first obs. used      1992-05-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:40:48  

Additional Information
 Earth MOID = .922993 au 
 Jupiter MOID = 2.97432 au 
 T_jup = 3.675 
[ 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 15.56   n/a E2021B10  

21163 (1993 TJ24)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TJ24 = 1996 PY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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