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