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100621 (1997 TX23)
Classification: Main-belt Asteroid          SPK-ID: 2100621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337707083163085 5.2394e-08  
a 3.071905176905239 2.0051e-08 au
q 2.660974245510091 1.6491e-07 au
i .640911260005634 5.0454e-06 deg
node 237.5130068327674 0.00048869 deg
peri 129.849430616091 0.00048902 deg
M 89.25659127539951 1.7444e-05 deg
tp 2458512.917699746125
(2019-Jan-29.41769975)
9.4615e-05 TDB
period 1966.573287005792
5.38
1.9254e-05
5.271e-08
d
yr
n .1830595393412052 1.7923e-09 deg/d
Q 3.482836108300388 2.2733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1997-10-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:08:31  

Additional Information
 Earth MOID = 1.65981 au 
 Jupiter MOID = 1.98226 au 
 T_jup = 3.217 
[ 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 15.1   n/a MPO412741  

100621 (1997 TX23)          Discovered 1997-Oct-11 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 TX23 = 1999 CJ136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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