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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04496692354873852 7.5041e-08  
a 2.926967573779974 2.9766e-08 au
q 2.795350846660173 2.2477e-07 au
i 2.005330730503084 8.1974e-06 deg
node 24.02546253410727 0.0001409 deg
peri 187.0439786781278 0.0001516 deg
M 288.1764510291055 5.7176e-05 deg
tp 2459365.413267468322
(2021-May-30.91326747)
0.00029158 TDB
period 1829.048803225127
5.01
2.7901e-05
7.639e-08
d
yr
n .1968236163875008 3.0025e-09 deg/d
Q 3.058584300899775 3.1105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:09:42  

Additional Information
 Earth MOID = 1.78919 au 
 Jupiter MOID = 1.90213 au 
 T_jup = 3.275 
[ 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 15.9   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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