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 ]  
46950 (1998 SA118)
Classification: Main-belt Asteroid          SPK-ID: 2046950
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061063577620533 3.8695e-08  
a 2.692819701842394 1.6051e-08 au
q 2.407094411169999 1.0362e-07 au
i 8.635260963652051 5.2847e-06 deg
node 4.607627924558255 2.988e-05 deg
peri 66.88890889993216 3.9499e-05 deg
M 192.8144907125067 2.6352e-05 deg
tp 2459350.058395352960
(2021-May-15.55839535)
0.00012038 TDB
period 1614.021594796503
4.42
1.4431e-05
3.951e-08
d
yr
n .2230453428632032 1.9943e-09 deg/d
Q 2.978544992514788 1.7754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      8452 days (23.14 yr)  
   first obs. used      1996-03-17  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49137  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:38  

Additional Information
 Earth MOID = 1.43619 au 
 Jupiter MOID = 2.29848 au 
 T_jup = 3.347 
[ 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 13.6   n/a MPO296485  

46950 (1998 SA118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin