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 ]  
91718 (1999 TX155)
Classification: Main-belt Asteroid          SPK-ID: 2091718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274101427031329 4.3758e-08  
a 3.069057292364895 2.1885e-08 au
q 2.678028264780593 1.3887e-07 au
i 6.047093969121561 4.0734e-06 deg
node 88.27920167981334 4.3992e-05 deg
peri 289.7484205636367 4.6731e-05 deg
M 315.6623117069847 1.5715e-05 deg
tp 2459242.366915230391
(2021-Jan-27.86691523)
8.6157e-05 TDB
period 1963.839181409412
5.38
2.1006e-05
5.751e-08
d
yr
n .1833143993703367 1.9608e-09 deg/d
Q 3.460086319949197 2.4674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      7603 days (20.82 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:20  

Additional Information
 Earth MOID = 1.68798 au 
 Jupiter MOID = 2.02221 au 
 T_jup = 3.210 
[ 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 14.5   n/a MPO439645  

91718 (1999 TX155)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 21:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin