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 ]  
359659 (2011 SP54)
Classification: Main-belt Asteroid          SPK-ID: 2359659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08487887528814367 8.3962e-08  
a 2.204932370545034 3.2763e-08 au
q 2.017780190846751 2.0281e-07 au
i 4.899813616097259 7.096e-06 deg
node 54.19571946625198 8.9162e-05 deg
peri 165.7759147300986 0.00010917 deg
M 264.8533727862712 7.3727e-05 deg
tp 2458916.569241378603
(2020-Mar-08.06924138)
0.00024982 TDB
period 1195.890282486848
3.27
2.6655e-05
7.298e-08
d
yr
n .3010309601741907 6.7095e-09 deg/d
Q 2.392084550243317 3.5544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      3760 days (10.29 yr)  
   first obs. used      2008-09-22  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:35:42  

Additional Information
 Earth MOID = 1.00977 au 
 Jupiter MOID = 2.57664 au 
 T_jup = 3.652 
[ 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 17.7   n/a MPO311068  

359659 (2011 SP54)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2011 SP54 = 2010 GY123 = 2013 CQ117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin