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JPL Small-Body Database Browser
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172324 (2002 UM26)
Classification: Main-belt Asteroid          SPK-ID: 2172324
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133998180790562 6.429e-08  
a 2.729110496256117 2.9843e-08 au
q 2.36341465458137 1.7501e-07 au
i 10.68715138393602 6.6681e-06 deg
node 64.84085165025458 5.1306e-05 deg
peri 52.13231016622996 6.2338e-05 deg
M 256.8979878283931 3.8844e-05 deg
tp 2459472.122750671213
(2021-Sep-14.62275067)
0.00018218 TDB
period 1646.759230644707
4.51
2.7011e-05
7.395e-08
d
yr
n .2186111930030353 3.5858e-09 deg/d
Q 3.094806337930865 3.3842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7069 days (19.35 yr)  
   first obs. used      1999-01-16  
   last obs. used      2018-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5849  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:30:48  

Additional Information
 Earth MOID = 1.39665 au 
 Jupiter MOID = 2.09137 au 
 T_jup = 3.317 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO449895  

172324 (2002 UM26)          Discovered 2002-Oct-31 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 UM26 = 2004 DO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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