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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133915136927663 5.1308e-08  
a 3.071888216736404 1.8928e-08 au
q 2.660515885565674 1.6042e-07 au
i .640840858914586 4.5807e-06 deg
node 237.4978577851195 0.00048459 deg
peri 129.8791652419642 0.00048487 deg
M 125.8364558600897 1.6989e-05 deg
tp 2458513.098435521614
(2019-Jan-29.59843552)
9.1206e-05 TDB
period 1966.557000678407
5.38
1.8176e-05
4.976e-08
d
yr
n .1830610553753642 1.692e-09 deg/d
Q 3.483260547907134 2.1463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8501 days (23.27 yr)  
   first obs. used      1997-10-11  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:49  

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 1.9742287105025 1.97422821686508 1.9742292041398 2.48000222666394 2.30050681847404 2435795.995258953 1.64749721908985 91.2518155910708 8.75769534272841 -89.8057166736517 2523941.62702394 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 08:25:50 2021-Feb-24 08:25
2015-Nov-24 07:06 < 00:01 Jupiter 1.9831995777265 1.98319908782428 1.9832000676286 2.56689692661944 2.39473628461901 2457350.796148935 0.231475575551735 46.9265015290051 8.61353725306334 84.2866508677079 2537461.33119721 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 08:25:50 2021-Feb-24 08:25
2124-Mar-16 08:25 00:03 Jupiter 1.99761028317229 1.99760976159968 1.99761080474524 2.53754730023324 2.36455291808045 2496909.850652247 3.01022531541334 127.67241652408 9.22241564478342 -89.4953887088043 2548264.76778254 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 08:25:50 2021-Feb-24 08:25
2183-Mar-22 10:27 00:05 Jupiter 1.98394880595858 1.98394827705941 1.98394933485889 2.46784512214241 2.28831470112908 2518464.935112252 4.65615700022086 205.18579546803 8.25444981787167 -89.5897862885953 2494768.47133321 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 08:25:50 2021-Feb-24 08:25

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