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JPL Small-Body Database Browser
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172536 (2003 UM26)
Classification: Main-belt Asteroid          SPK-ID: 2172536
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241583853191761 6.5065e-08  
a 2.443214878587738 1.5853e-08 au
q 1.895547776415724 1.6557e-07 au
i 3.830843547326237 8.1999e-06 deg
node 127.4263757768286 9.0426e-05 deg
peri 245.8390652529792 9.2406e-05 deg
M 132.6891513641293 2.1682e-05 deg
tp 2458486.368942631874
(2019-Jan-02.86894263)
8.1023e-05 TDB
period 1394.893092236335
3.82
1.3576e-05
3.717e-08
d
yr
n .2580842947776285 2.5118e-09 deg/d
Q 2.990881980759752 1.9406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      5434 days (14.88 yr)  
   first obs. used      2003-09-22  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:53:26  

Additional Information
 Earth MOID = .89981 au 
 Jupiter MOID = 2.47696 au 
 T_jup = 3.462 
[ 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 17.1   n/a MPO454183  

172536 (2003 UM26)          Discovered 2003-Oct-25 by Tucker, R. A. at Goodricke-Pigott
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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