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 ]  
118744 (2000 QA155)
Classification: Main-belt Asteroid          SPK-ID: 2118744
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .277750707270907 5.0703e-08  
a 2.794082754692781 1.958e-08 au
q 2.018024293403417 1.3735e-07 au
i 10.85640088025569 6.0946e-06 deg
node 199.628370344197 2.4208e-05 deg
peri 77.98202944299676 2.6891e-05 deg
M 114.4060778667842 1.2824e-05 deg
tp 2458458.369400988709
(2018-Dec-05.86940099)
5.7539e-05 TDB
period 1705.914749313576
4.67
1.7932e-05
4.91e-08
d
yr
n .2110304750837382 2.2183e-09 deg/d
Q 3.570141215982145 2.5019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7568 days (20.72 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:09:14  

Additional Information
 Earth MOID = 1.0358 au 
 Jupiter MOID = 1.71913 au 
 T_jup = 3.245 
[ 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 16.0   n/a MPO502795  

118744 (2000 QA155)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 QA155 = 2004 FR45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 06:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin