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 ]  
136689 (1995 SF38)
Classification: Main-belt Asteroid          SPK-ID: 2136689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346267666235878 5.5587e-08  
a 2.327607275322103 1.3262e-08 au
q 2.014249033875949 1.2981e-07 au
i .5717221024910916 6.3072e-06 deg
node 198.4147693366616 0.00053041 deg
peri 213.1300171867203 0.00053097 deg
M 190.4055782004216 2.3702e-05 deg
tp 2459211.543387495301
(2020-Dec-28.04338750)
8.7844e-05 TDB
period 1297.068719384349
3.55
1.1085e-05
3.035e-08
d
yr
n .2775489028606543 2.3721e-09 deg/d
Q 2.640965516768257 1.5047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1995-09-19  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58604  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 07:18:27  

Additional Information
 Earth MOID = 1.02453 au 
 Jupiter MOID = 2.69189 au 
 T_jup = 3.561 
[ 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 17.3   n/a MPO436673  

136689 (1995 SF38)          Discovered 1995-Sep-24 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1995 SF38 = 1999 YL25 = 2004 FT131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 21:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin