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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04520026711723652 9.0144e-08  
a 2.927109908451089 3.1689e-08 au
q 2.79480375870759 2.6252e-07 au
i 2.005529287601389 1.0066e-05 deg
node 24.04202074707646 0.0001412 deg
peri 186.844104140097 0.00015208 deg
M 209.6648782170745 5.7089e-05 deg
tp 2459364.362033333765
(2021-May-29.86203333)
0.00029169 TDB
period 1829.18222128575
5.01
2.9705e-05
8.133e-08
d
yr
n .1968092603409148 3.196e-09 deg/d
Q 3.059416058194588 3.3122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1996-04-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57934  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:37:18  

Additional Information
 Earth MOID = 1.78887 au 
 Jupiter MOID = 1.9023 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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