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 ]  
359797 (2011 UN203)
Classification: Main-belt Asteroid          SPK-ID: 2359797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0718385729264438 5.8502e-08  
a 3.093528537876002 5.5975e-08 au
q 2.871293862407762 1.6243e-07 au
i 15.10275244063421 9.4021e-06 deg
node 228.8530677734841 2.1197e-05 deg
peri 259.1507398855013 7.0212e-05 deg
M 146.6067498901763 6.7198e-05 deg
tp 2458191.159856128331
(2018-Mar-13.65985613)
0.00037054 TDB
period 1987.374060280729
5.44
5.394e-05
1.477e-07
d
yr
n .1811435537953775 4.9164e-09 deg/d
Q 3.315763213344242 5.9996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      2000-11-28  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:04  

Additional Information
 Earth MOID = 1.9349 au 
 Jupiter MOID = 1.89983 au 
 T_jup = 3.167 
[ 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 15.4   n/a MPO434269  
diameter diameter 3.039 km 0.631 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359797 (2011 UN203)          Discovered 2010-Jun-10 by WISE at WISE
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 UN203 = 2010 LT69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-28 09:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin