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 ]  
392611 (2011 SH258)
Classification: Main-belt Asteroid          SPK-ID: 2392611
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07201026482488566 9.3067e-08  
a 3.070437444647921 6.242e-08 au
q 2.849334431130579 2.7272e-07 au
i 9.777391492614401 1.2013e-05 deg
node 215.5351044367732 6.353e-05 deg
peri 78.12117754335085 0.00012495 deg
M 231.2093999945581 0.00011219 deg
tp 2459303.540708959623
(2021-Mar-30.04070896)
0.00062137 TDB
period 1965.164035378125
5.38
5.9926e-05
1.641e-07
d
yr
n .1831908143641205 5.5863e-09 deg/d
Q 3.291540458165263 6.6915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      5389 days (14.75 yr)  
   first obs. used      2004-05-28  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:29:13  

Additional Information
 Earth MOID = 1.85393 au 
 Jupiter MOID = 1.84647 au 
 T_jup = 3.205 
[ 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 16.1   n/a MPO434455  

392611 (2011 SH258)          Discovered 2011-Sep-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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