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

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457546.5 (2016-Jun-07.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07287811661457874 5.8608e-08  
q 2.864000881072417 1.6296e-07 au
tp 2458182.006289387409
(2018-Mar-04.50628939)
0.00036536 TDB
node 228.9086770367665 2.1161e-05 deg
peri 257.1276596432463 6.9464e-05 deg
i 15.1254227002004 9.413e-06 deg
  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
 Jupiter MOID = 1.89983 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.434907009829299E-15 -9.171235942750332E-15 5.223601119175624E-13 -1.098831691630139E-14 -1.211641199686121E-13 3.611278171053258E-15
q -9.171235942750332E-15 2.655736193283983E-14 -1.308566867541234E-12 2.561659465371657E-14 2.127498484673195E-13 -7.912498102867599E-15
tp 5.223601119175624E-13 -1.308566867541234E-12 1.334878378034235E-7 2.926634610405405E-11 2.413863127218212E-8 -4.488770960582408E-11
node -1.098831691630139E-14 2.561659465371657E-14 2.926634610405405E-11 4.478008399185809E-10 -4.255941615177906E-10 -3.17424336973487E-11
peri -1.211641199686121E-13 2.127498484673195E-13 2.413863127218212E-8 -4.255941615177906E-10 4.825187669277351E-9 2.227871695053271E-11
i 3.611278171053258E-15 -7.912498102867599E-15 -4.488770960582408E-11 -3.17424336973487E-11 2.227871695053271E-11 8.860382565652162E-11

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Mar-04 00:09 00:06 Jupiter 1.99503252305137 1.99503110065409 1.99503394546055 3.36334083485515 3.23464527188503 2433709.505946335 5.80799920157023 329.903915593299 40.2735891914233 -71.7949294691573 857139.662973454 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 00:46:17 2020-Feb-26 00:46
2011-Mar-06 18:57 < 00:01 Jupiter 1.91887756980867 1.91887672011337 1.91887841950386 4.57393297774938 4.47638600458088 2455627.289831322 0.488604607442304 87.5214921675888 38.3772931835777 88.0540578014957 1557864.67502376 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 00:46:17 2020-Feb-26 00:46
2071-Feb-10 10:46 00:04 Jupiter 1.91454968608202 1.91454866696669 1.9145507052141 5.31342278161519 5.22949660798328 2477517.948840084 4.15349898669518 461.137607969859 37.8764656410759 86.6167128218566 1942076.10378791 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 00:46:17 2020-Feb-26 00:46
2140-Dec-27 21:08 00:11 Jupiter 1.97319611545966 1.97319295830091 1.97319927269041 3.53761889180446 3.4141205249553 2503040.380303042 11.2989232925533 653.218888379347 41.5057943422529 -69.3479525615753 916065.560079353 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 00:46:17 2020-Feb-26 00:46
2200-Dec-28 20:32 00:15 Jupiter 1.89094377379836 1.89094180631598 1.89094574163975 4.65734934467376 4.56015681209974 2524955.355247211 14.5037275015418 1450.39538297944 37.9858413154288 -85.2176951152497 1516074.31168342 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 00:46:17 2020-Feb-26 00:46

Alternate Designations
 2011 UN203 = 2010 LT69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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