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 ]  
392601 (2011 SS227)
Classification: Main-belt Asteroid          SPK-ID: 2392601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04895145463677042 1.1074e-07  
a 2.971049917015521 6.2562e-08 au
q 2.825612701779155 3.5253e-07 au
i 8.56874768192356 1.219e-05 deg
node 348.7390559924957 4.697e-05 deg
peri 332.3443363155328 0.00013839 deg
M 305.2904074946356 0.00013159 deg
tp 2459284.765614104841
(2021-Mar-11.26561410)
0.00068223 TDB
period 1870.524279041352
5.12
5.9082e-05
1.618e-07
d
yr
n .1924594104624511 6.079e-09 deg/d
Q 3.116487132251887 6.5625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      4145 days (11.35 yr)  
   first obs. used      2007-12-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:11  

Additional Information
 Earth MOID = 1.81684 au 
 Jupiter MOID = 2.09971 au 
 T_jup = 3.244 
[ 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 16.0   n/a MPO434455  

392601 (2011 SS227)          Discovered 2011-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 08:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin