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 ]  
347399 (2012 SR11)
Classification: Main-belt Asteroid          SPK-ID: 2347399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05264733866343441 9.9383e-08  
a 2.721465662685396 4.3733e-08 au
q 2.57818773828109 2.9313e-07 au
i 5.5358801269447 9.3195e-06 deg
node 353.4345691627499 7.1169e-05 deg
peri 23.75077690481121 9.5032e-05 deg
M 260.3677485534591 6.7633e-05 deg
tp 2459454.337271108446
(2021-Aug-27.83727111)
0.00031324 TDB
period 1639.844681084067
4.49
3.9527e-05
1.082e-07
d
yr
n .2195329863569833 5.2917e-09 deg/d
Q 2.864743587089702 4.6035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6581 days (18.02 yr)  
   first obs. used      2001-03-31  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65384  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:45:58  

Additional Information
 Earth MOID = 1.5797 au 
 Jupiter MOID = 2.37911 au 
 T_jup = 3.350 
[ 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 16.5   n/a MPO471608  

347399 (2012 SR11)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 SR11 = 2005 EJ140 = 2010 EM103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 13:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin