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344731 (2003 UM137)
Classification: Main-belt Asteroid          SPK-ID: 2344731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291591455951288 6.6005e-08  
a 2.670131175020821 2.3073e-08 au
q 2.058246196326132 1.8821e-07 au
i 2.517789494376354 5.4224e-06 deg
node 214.904253372654 0.00012663 deg
peri 153.1883848975491 0.00012818 deg
M 304.0372639545441 1.5095e-05 deg
tp 2459248.238646992617
(2021-Feb-02.73864699)
6.8167e-05 TDB
period 1593.666057444019
4.36
2.0657e-05
5.656e-08
d
yr
n .2258942507550054 2.928e-09 deg/d
Q 3.282016153715509 2.836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6221 days (17.03 yr)  
   first obs. used      2003-09-27  
   last obs. used      2020-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:53  

Additional Information
 Earth MOID = 1.05778 au 
 Jupiter MOID = 2.18741 au 
 T_jup = 3.342 
[ 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 17.5   n/a MPO440551  

344731 (2003 UM137)          Discovered 2003-Sep-27 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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