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JPL Small-Body Database Browser
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173899 (2001 UG144)
Classification: Main-belt Asteroid          SPK-ID: 2173899
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579643845850805 5.6441e-08  
a 2.990448097529046 2.8329e-08 au
q 2.518063804169245 1.7208e-07 au
i 2.635498945653387 7.7036e-06 deg
node 137.592573901577 0.00013939 deg
peri 267.1137215044717 0.00014298 deg
M 135.9642556345016 3.1215e-05 deg
tp 2457887.113183515669
(2017-May-13.61318352)
0.00015777 TDB
period 1888.873312591358
5.17
2.684e-05
7.348e-08
d
yr
n .1905898069501091 2.7082e-09 deg/d
Q 3.462832390888846 3.2804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6856 days (18.77 yr)  
   first obs. used      2000-07-29  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:29  

Additional Information
 Earth MOID = 1.52845 au 
 Jupiter MOID = 1.9346 au 
 T_jup = 3.236 
[ 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 16.0   n/a MPO433118  

173899 (2001 UG144)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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