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22373 (1993 TJ31)
Classification: Main-belt Asteroid          SPK-ID: 2022373
[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04220932787358279 3.2843e-08  
a 3.067376008827472 1.6455e-08 au
q 2.937904129159312 1.0208e-07 au
i 5.205612926772681 3.197e-06 deg
node 115.189044256949 4.2808e-05 deg
peri 250.9647753580493 6.608e-05 deg
M 37.44654584611349 4.7869e-05 deg
tp 2458996.392851979697
(2020-May-26.89285198)		 0.00026162 TDB
period 1962.22566399767
5.37		 1.579e-05
4.323e-08		 d
yr
n .1834651368622745 1.4763e-09 deg/d
Q 3.196847888495634 1.715e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      10917 days (29.89 yr)  
   first obs. used      1991-04-12  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:08  

Additional Information
 Earth MOID = 1.93881 au 
 Jupiter MOID = 2.03047 au 
 T_jup = 3.224 
[ 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 13.84   n/a E2021B10  

22373 (1993 TJ31)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TJ31 = 1998 RT40 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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