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 ]  
146286 (2001 FR155)
Classification: Main-belt Asteroid          SPK-ID: 2146286
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736520385842229 4.304e-08  
a 2.380219566878308 1.1274e-08 au
q 1.966889586811834 1.0328e-07 au
i 3.314950526657258 4.381e-06 deg
node 78.89968373230319 8.1214e-05 deg
peri 175.5873927280276 8.225e-05 deg
M 270.709895379328 1.433e-05 deg
tp 2458933.178542013888
(2020-Mar-24.67854201)
5.446e-05 TDB
period 1341.293927628264
3.67
9.5299e-06
2.609e-08
d
yr
n .2683975470138512 1.907e-09 deg/d
Q 2.793549546944782 1.3232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1998-06-22  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:42:24  

Additional Information
 Earth MOID = .951908 au 
 Jupiter MOID = 2.25191 au 
 T_jup = 3.516 
[ 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 16.5   n/a MPO426924  

146286 (2001 FR155)          Discovered 2001-Mar-26 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 FR155 = 2005 JD32 
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-12 21:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin