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 ]  
173644 (2001 FC161)
Classification: Main-belt Asteroid          SPK-ID: 2173644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1257981259348845 4.6696e-08  
a 2.394023475307054 1.46e-08 au
q 2.092859808669307 1.1202e-07 au
i 7.533526349681203 5.1703e-06 deg
node 76.08047883981908 3.5149e-05 deg
peri 113.4246806041224 4.0843e-05 deg
M 318.9037977809976 2.0713e-05 deg
tp 2458754.950821598740
(2019-Sep-28.45082160)
7.8441e-05 TDB
period 1352.978931708597
3.70
1.2377e-05
3.389e-08
d
yr
n .2660795312942363 2.4341e-09 deg/d
Q 2.6951871419448 1.6437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      6577 days (18.01 yr)  
   first obs. used      2001-03-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59297  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:42:40  

Additional Information
 Earth MOID = 1.10604 au 
 Jupiter MOID = 2.28756 au 
 T_jup = 3.508 
[ 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 16.2   n/a MPO427059  
diameter diameter 3.009 km 0.901 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173644 (2001 FC161)          Discovered 2001-Mar-29 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 19:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin