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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
172568 (2003 UB171)
Classification: Main-belt Asteroid          SPK-ID: 2172568
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194547418373689 3.986e-08  
a 2.436840811365225 1.6116e-08 au
q 2.145748621344827 9.9869e-08 au
i 2.632868494804017 5.3922e-06 deg
node 25.21262251559883 0.00014032 deg
peri 22.87281042655018 0.00014374 deg
M 118.5462171457177 3.1974e-05 deg
tp 2458542.964954181246
(2019-Feb-28.46495418)
0.00012217 TDB
period 1389.437980060432
3.80
1.3784e-05
3.774e-08
d
yr
n .2590975669056795 2.5703e-09 deg/d
Q 2.727933001385622 1.8041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      8398 days (22.99 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:28  

Additional Information
 Earth MOID = 1.15585 au 
 Jupiter MOID = 2.61435 au 
 T_jup = 3.493 
[ 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 17.2   n/a MPO454183  

172568 (2003 UB171)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 10:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin