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JPL Small-Body Database Browser
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215339 (2001 UN203)
Classification: Main-belt Asteroid          SPK-ID: 2215339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04721268932428811 5.061e-08  
a 2.632564070362817 1.8381e-08 au
q 2.508273640782494 1.2605e-07 au
i 4.787160819815044 4.6073e-06 deg
node 223.4656451280823 5.6781e-05 deg
peri 176.2047383843884 7.8918e-05 deg
M 120.7140176743764 5.2942e-05 deg
tp 2458477.355028473841
(2018-Dec-24.85502847)
0.00022944 TDB
period 1560.151781688185
4.27
1.6339e-05
4.473e-08
d
yr
n .2307467800411424 2.4166e-09 deg/d
Q 2.75685449994314 1.9248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-10-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:17:09  

Additional Information
 Earth MOID = 1.51574 au 
 Jupiter MOID = 2.44199 au 
 T_jup = 3.393 
[ 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 16.3   n/a MPO454547  

215339 (2001 UN203)          Discovered 2001-Oct-19 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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