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 ]  
379205 (2009 ST87)
Classification: Main-belt Asteroid          SPK-ID: 2379205
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938873115833583 3.381e-07  
a 2.444172865299122 8.2443e-08 au
q 1.970278759401281 7.654e-07 au
i 2.576299696752694 1.2096e-05 deg
node 74.28584984279678 0.0002273 deg
peri 305.6724528828148 0.0002322 deg
M 180.7980889864929 7.622e-05 deg
tp 2459295.262613665834
(2021-Mar-21.76261367)
0.00032939 TDB
period 1395.713580871624
3.82
7.0617e-05
1.933e-07
d
yr
n .2579325765213088 1.305e-08 deg/d
Q 2.918066971196962 9.8427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4963 days (13.59 yr)  
   first obs. used      2005-08-30  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:28:49  

Additional Information
 Earth MOID = .973419 au 
 Jupiter MOID = 2.5386 au 
 T_jup = 3.472 
[ 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 17.8   n/a MPO194088  

379205 (2009 ST87)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 ST87 = 2005 RV41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 07:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin