Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
155370 (1988 TX)
Classification: Mars-crossing Asteroid          SPK-ID: 2155370
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3152207263852391 7.673e-08  
a 2.193206050492922 6.1531e-09 AU
q 1.501862046144042 1.6766e-07 AU
i 4.778862314868075 9.2395e-06 deg
node 207.1779043244706 5.4121e-05 deg
peri 136.6621761934257 5.6647e-05 deg
M 37.23478480283109 1.2115e-05 deg
tp 2456877.794528865444
(2014-Aug-08.29452887)
3.9805e-05 JED
period 1186.362962545753
3.25
4.9925e-06
1.367e-08
d
yr
n .3034484482114102 1.277e-09 deg/d
Q 2.884550054841803 8.0927e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1988-10-07  
   last obs. used      2014-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 08:17:00  

Additional Information
 Earth MOID = .499873 AU 
 T_jup = 3.600 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3 mag n/a MPO320653  

155370 (1988 TX)          Discovered 1988-Oct-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20070502/Numbers.arcLast Updated: 2007-05-02

[ show close-approach data ]
Alternate Designations
 1988 TX = 2001 QG2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jan-30 02:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin