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 ]  
530839 (2011 UK411)
Classification: TransNeptunian Object          SPK-ID: 2530839
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2293404922882732 2.0912e-05  
a 42.12904977411195 0.0011754 au
q 32.46715275927995 0.00027769 au
i 13.45127831396553 6.803e-05 deg
node 219.2794811464357 2.3481e-05 deg
peri 210.2520252651148 0.0036855 deg
M 345.2001178270843 0.0021874 deg
tp 2462706.573124997752
(2030-Jul-24.07312500)
0.58099 TDB
period 99878.24955149506
273.45
4.18
0.01144
d
yr
n .003604388358992934 1.5085e-07 deg/d
Q 51.79094678894396 0.001445 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      3362 days (9.20 yr)  
   first obs. used      2008-10-29  
   last obs. used      2018-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .52138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 11:12:34  

Additional Information
 Earth MOID = 31.4881 au 
 Jupiter MOID = 27.4394 au 
 T_jup = 5.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.9   n/a E2018X68  

530839 (2011 UK411)          Discovered 2010-Oct-07 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

Alternate Designations
 2011 UK411 = 2010 TO182 
Ephemeris | Orbit Diagram | Orbital Elements | 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