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JPL Small-Body Database Browser
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172541 (2003 UM48)
Classification: Main-belt Asteroid          SPK-ID: 2172541
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042041508416747 4.6046e-08  
a 2.343282459166986 1.3313e-08 au
q 2.099102700327299 1.0894e-07 au
i 6.725117427460851 5.1421e-06 deg
node 92.54652015801258 5.0831e-05 deg
peri 328.4617615870459 5.964e-05 deg
M 208.8131404100309 3.4204e-05 deg
tp 2459550.733381491103
(2021-Dec-02.23338149)
0.00012719 TDB
period 1310.193345334487
3.59
1.1165e-05
3.057e-08
d
yr
n .2747686066960548 2.3415e-09 deg/d
Q 2.587462218006673 1.47e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2001-02-02  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56956  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:29  

Additional Information
 Earth MOID = 1.11561 au 
 Jupiter MOID = 2.67222 au 
 T_jup = 3.546 
[ 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 16.6   n/a MPO268139  

172541 (2003 UM48)          Discovered 2003-Oct-16 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2003 UM48 = 2001 DQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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