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 ]  
181708 (1993 FW)
Classification: TransNeptunian Object          SPK-ID: 2181708
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05061891516837467 2.0503e-05  
a 43.81973468767359 0.0013225 au
q 41.60162725481755 0.00036842 au
i 7.754903636331218 5.3682e-05 deg
node 187.9531158846123 0.00024813 deg
peri 46.65028393793978 0.011491 deg
M 351.4343047045194 0.010682 deg
tp 2461721.443794694094
(2027-Nov-11.94379469)
3.0413 TDB
period 105950.507785247
290.08
4.7964
0.01313
d
yr
n .003397812880044807 1.5382e-07 deg/d
Q 46.03784212052962 0.0013894 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      9936 days (27.20 yr)  
   first obs. used      1993-03-28  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .7183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:42  

Additional Information
 Earth MOID = 40.5943 au 
 Jupiter MOID = 36.2133 au 
 T_jup = 5.862 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.89   n/a E2021B55  

181708 (1993 FW)          Discovered 1993-Mar-28 by Jewitt, D. C., Luu, J. X. at Mauna Kea
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 10:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin