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 ]  
172172 (2002 PU23)
Classification: Main-belt Asteroid          SPK-ID: 2172172
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07412595400260624 8.4022e-08  
a 2.468116588062146 2.1205e-08 au
q 2.285165091382382 2.1838e-07 au
i 5.420238435321676 6.2116e-06 deg
node 294.2201149841934 5.9431e-05 deg
peri 238.6038739443198 7.2218e-05 deg
M 351.8559048331842 4.5468e-05 deg
tp 2459032.539613788236
(2020-Jul-02.03961379)
0.00017899 TDB
period 1416.272861196771
3.88
1.8252e-05
4.997e-08
d
yr
n .254188306408551 3.2758e-09 deg/d
Q 2.65106808474191 2.2777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6861 days (18.78 yr)  
   first obs. used      2001-03-24  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:28  

Additional Information
 Earth MOID = 1.29637 au 
 Jupiter MOID = 2.34419 au 
 T_jup = 3.476 
[ 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 16.3   n/a MPO454180  

172172 (2002 PU23)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 PU23 = 2001 FR146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin