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 ]  
216542 (2001 SF38)
Classification: Main-belt Asteroid          SPK-ID: 2216542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104701736208913 4.8611e-08  
a 2.606131995303928 1.3603e-08 au
q 2.05761894177335 1.249e-07 au
i 14.12552139029047 5.5737e-06 deg
node 21.75232394298488 1.828e-05 deg
peri 307.7429348632239 2.298e-05 deg
M 233.7971277127844 1.7728e-05 deg
tp 2459739.215879759922
(2022-Jun-08.71587976)
7.8119e-05 TDB
period 1536.71396853951
4.21
1.2032e-05
3.294e-08
d
yr
n .2342661076622758 1.8342e-09 deg/d
Q 3.154645048834505 1.6467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7162 days (19.61 yr)  
   first obs. used      2001-08-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58058  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:15  

Additional Information
 Earth MOID = 1.07905 au 
 Jupiter MOID = 2.34946 au 
 T_jup = 3.338 
[ 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 15.72   n/a E2021B55  

216542 (2001 SF38)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ 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 2021-Jun-16 20:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin