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JPL Small-Body Database Browser
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173879 (2001 UR42)
Classification: Main-belt Asteroid          SPK-ID: 2173879
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000879928317567 4.9706e-08  
a 3.170074385278896 3.7441e-08 au
q 2.535780564401076 1.5087e-07 au
i 16.2562596046806 6.234e-06 deg
node 31.42759781208455 2.0206e-05 deg
peri 248.4218677927634 2.5203e-05 deg
M 123.4920985428712 1.5185e-05 deg
tp 2457893.304845448592
(2017-May-19.80484545)
8.6161e-05 TDB
period 2061.591459231086
5.64
3.6523e-05
9.999e-08
d
yr
n .174622376508229 3.0936e-09 deg/d
Q 3.804368206156715 4.4932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:35:57  

Additional Information
 Earth MOID = 1.57344 au 
 Jupiter MOID = 1.56243 au 
 T_jup = 3.110 
[ 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 15.3   n/a MPO417938  

173879 (2001 UR42)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 UR42 = 2005 GK23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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