Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456700.5 (2014-Feb-12.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300088685687753 5.1823e-08  
q 2.672049241769693 1.621e-07 au
tp 2456530.707645287511
(2013-Aug-26.20764529)
9.9168e-05 TDB
node 238.9447645470534 0.00049545 deg
peri 126.0964558066439 0.0004958 deg
i .6350274146439149 5.0114e-06 deg
  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
 Jupiter MOID = 1.98226 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.685601373197369E-15 -8.354007120108041E-15 -3.310507640568399E-13 1.059066901778171E-14 -1.319047473661965E-13 1.304603948263962E-16
q -8.354007120108041E-15 2.627787204638559E-14 9.638321087427392E-13 -3.122557472174748E-14 4.008475511064949E-13 -1.87371488347286E-16
tp -3.310507640568399E-13 9.638321087427392E-13 9.834352744736835E-9 5.242852652163291E-13 1.900260002382206E-9 5.122632256107722E-13
node 1.059066901778171E-14 -3.122557472174748E-14 5.242852652163291E-13 2.454664971172167E-7 -2.454499653832989E-7 -4.712170855471942E-10
peri -1.319047473661965E-13 4.008475511064949E-13 1.900260002382206E-9 -2.454499653832989E-7 2.458153798723515E-7 4.712451415512428E-10
i 1.304603948263962E-16 -1.87371488347286E-16 5.122632256107722E-13 -4.712170855471942E-10 4.712451415512428E-10 2.511449269194243E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 09:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin