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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
344241 (2001 SQ145)
Classification: Main-belt Asteroid          SPK-ID: 2344241
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152297771279257 7.1827e-08  
a 3.095878398010348 3.7782e-08 au
q 2.624383017841775 2.1814e-07 au
i 12.51627007186727 9.5181e-06 deg
node 193.6283089932357 2.9454e-05 deg
peri 159.2095504388144 4e-05 deg
M 85.78872175448059 2.7841e-05 deg
tp 2458126.365056501759
(2018-Jan-07.86505650)
0.0001496 TDB
period 1989.638919529094
5.45
3.6422e-05
9.972e-08
d
yr
n .1809373532385486 3.3122e-09 deg/d
Q 3.56737377817892 4.3536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6299 days (17.25 yr)  
   first obs. used      2001-09-16  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:17:38  

Additional Information
 Earth MOID = 1.62338 au 
 Jupiter MOID = 1.91769 au 
 T_jup = 3.169 
[ 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 15.8   n/a MPO427766  

344241 (2001 SQ145)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 SQ145 = 2012 RU17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 04:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin