Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572051989303787 5.6648e-08  
a 2.992416554180646 2.8367e-08 au
q 2.52199311449812 1.733e-07 au
i 2.63551945501117 7.7033e-06 deg
node 137.5719204318845 0.00013933 deg
peri 267.0163580836683 0.00014295 deg
M 212.3279828367149 3.204e-05 deg
tp 2459776.081080374209
(2022-Jul-15.58108037)
0.00017579 TDB
period 1890.738640252917
5.18
2.6885e-05
7.361e-08
d
yr
n .1904017786148614 2.7074e-09 deg/d
Q 3.462839993863173 3.2827e-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 = 1.53288 au 
 Jupiter MOID = 1.93601 au 
 T_jup = 3.235 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 04:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin