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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339151371134324 5.1014e-08  
a 3.071888213583566 1.8434e-08 au
q 2.660515882264386 1.5909e-07 au
i .6408401129863335 4.35e-06 deg
node 237.4978587209434 0.00048456 deg
peri 129.8791648163997 0.00048482 deg
M 125.8364559266347 1.6766e-05 deg
tp 2458513.098436216376
(2019-Jan-29.59843622)		 8.971e-05 TDB
period 1966.556997650838
5.38		 1.7702e-05
4.847e-08		 d
yr
n .1830610556571918 1.6478e-09 deg/d
Q 3.483260544902746 2.0903e-08 au
   Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      8547 days (23.40 yr)  
   first obs. used      1997-10-11  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:00  

Additional Information
 Earth MOID = 1.65781 au 
 Jupiter MOID = 1.98285 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 15.14   n/a E2021B55  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1956-Nov-18 11:53 00:02 Jupiter 1.97422869092394 1.97422819774058 1.9742291841073 2.48000224226236 2.30050683447028 2435795.995051488 1.6275150755789 89.7116283957693 8.64544947574718 -89.7491075614868 2527450.1365662 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:03 2021-Apr-13 15:33
2015-Nov-24 07:06 < 00:01 Jupiter 1.9831995779966 1.98319908947907 1.98320006651402 2.5668969035146 2.39473626086269 2457350.796143185 0.216084618659307 44.6169101698436 8.60620574466645 84.2424569168183 2541872.17412787 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:03 2021-Apr-13 15:33
2124-Mar-16 08:25 00:03 Jupiter 1.9976102455814 1.99760973943413 1.99761075172889 2.53754716436956 2.36455276989292 2496909.850573912 2.92959408871784 123.880918707003 9.06795309047641 -89.6653542399904 2588648.21210072 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:03 2021-Apr-13 15:33
2183-Mar-22 10:26 00:05 Jupiter 1.98394879037653 1.98394827041146 1.98394931034251 2.46784512463857 2.28831470338641 2518464.935060711 4.54060992940213 199.615346241463 8.19387095346306 -89.6438551834326 2510197.53719201 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:03 2021-Apr-13 15:33

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