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 ]  
172223 (2002 RP66)
Classification: Main-belt Asteroid          SPK-ID: 2172223
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127305913314743 8.2375e-08  
a 2.666446314960123 2.6881e-08 au
q 2.365856245121037 2.1641e-07 au
i 11.61858304709157 7.6686e-06 deg
node 273.0772920815824 3.8755e-05 deg
peri 204.1220336986728 5.1991e-05 deg
M 272.121755709405 3.8808e-05 deg
tp 2459388.718801077200
(2021-Jun-23.21880108)
0.00017529 TDB
period 1590.368236370755
4.35
2.4049e-05
6.584e-08
d
yr
n .2263626698314383 3.423e-09 deg/d
Q 2.967036384799208 2.9911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6214 days (17.01 yr)  
   first obs. used      2002-08-16  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:32  

Additional Information
 Earth MOID = 1.38703 au 
 Jupiter MOID = 2.18456 au 
 T_jup = 3.345 
[ 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 15.1   n/a MPO449894  

172223 (2002 RP66)          Discovered 2002-Sep-03 by NEAT at Palomar
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-20 11:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin