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 ]  
118265 (1998 FM142)
Classification: Main-belt Asteroid          SPK-ID: 2118265
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061802095794613 4.6917e-08  
a 2.75683828182339 1.8152e-08 au
q 2.464116615282701 1.3387e-07 au
i 4.576661015654334 5.3115e-06 deg
node 207.9635775611716 5.8928e-05 deg
peri 283.638308888149 6.4415e-05 deg
M 352.8338725120723 2.4766e-05 deg
tp 2459033.781078574410
(2020-Jul-03.28107857)
0.00011506 TDB
period 1671.919500032851
4.58
1.6513e-05
4.521e-08
d
yr
n .2153213716287934 2.1266e-09 deg/d
Q 3.04955994836408 2.0079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:55:58  

Additional Information
 Earth MOID = 1.48346 au 
 Jupiter MOID = 2.00711 au 
 T_jup = 3.330 
[ 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 15.4   n/a MPO309996  

118265 (1998 FM142)          Discovered 1998-Mar-29 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 FM142 = 2000 SL251 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 09:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin