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JPL Small-Body Database Browser
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201753 (2003 UM340)
Classification: Main-belt Asteroid          SPK-ID: 2201753
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04496690963223496 7.821e-08  
a 2.926967570624777 3.018e-08 au
q 2.795350884380011 2.3257e-07 au
i 2.00532859242887 8.6662e-06 deg
node 24.02546380098342 0.00014091 deg
peri 187.0439803716234 0.00015168 deg
M 288.1764489380218 5.7267e-05 deg
tp 2459365.413277502421
(2021-May-30.91327750)
0.00029199 TDB
period 1829.048800267625
5.01
2.8289e-05
7.745e-08
d
yr
n .1968236167057572 3.0442e-09 deg/d
Q 3.058584256869544 3.1537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:54:31  

Additional Information
 Earth MOID = 1.78919 au 
 Jupiter MOID = 1.90213 au 
 T_jup = 3.275 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04720585368419584 7.7772e-08  
q 2.78984047164093 2.3271e-07 au
tp 2457535.702192407741
(2016-May-27.20219241)
0.00027547 TDB
node 24.0663964362033 0.000141 deg
peri 186.9116581550779 0.00015088 deg
i 2.005838135440376 8.6579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:54:31  

Additional Information
 Jupiter MOID = 1.90213 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.048407557840229E-15 -1.796048468659694E-14 -3.8078135765953E-12 -1.122884914388411E-14 -6.675041841957824E-13 8.959169052031819E-16
q -1.796048468659694E-14 5.415438583155826E-14 1.202302724176276E-11 3.383911356143743E-14 2.089811921889748E-12 -2.591298926471991E-15
tp -3.8078135765953E-12 1.202302724176276E-11 7.588289442695359E-8 -7.637085419725803E-12 1.480105168393197E-8 1.372136513735673E-12
node -1.122884914388411E-14 3.383911356143743E-14 -7.637085419725803E-12 1.988121662757888E-8 -1.98703053611513E-8 2.388571882927105E-11
peri -6.675041841957824E-13 2.089811921889748E-12 1.480105168393197E-8 -1.98703053611513E-8 2.276403480145107E-8 -2.358408883088339E-11
i 8.959169052031819E-16 -2.591298926471991E-15 1.372136513735673E-12 2.388571882927105E-11 -2.358408883088339E-11 7.49585018328867E-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 15.9   n/a MPO413037  

201753 (2003 UM340)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 UM340 = 2008 TN55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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