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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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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.


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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

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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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