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 ]  
39956 (1998 FK120)
Classification: Main-belt Asteroid          SPK-ID: 2039956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202750972563943 4.0982e-08  
a 2.422367387392034 1.0279e-08 au
q 2.13101691428274 9.9883e-08 au
i 5.763720825366345 4.9163e-06 deg
node 2.644539159608519 4.0283e-05 deg
peri 295.4853105894873 4.4248e-05 deg
M 198.3341848450841 1.8329e-05 deg
tp 2459618.906632589779
(2022-Feb-08.40663259)
7.0745e-05 TDB
period 1377.077692763861
3.77
8.7651e-06
2.4e-08
d
yr
n .2614231585419576 1.664e-09 deg/d
Q 2.713717860501329 1.1515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1996-09-22  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:53:53  

Additional Information
 Earth MOID = 1.12323 au 
 Jupiter MOID = 2.48928 au 
 T_jup = 3.496 
[ 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 15.7   n/a MPO459140  

39956 (1998 FK120)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 06:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin