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 ]  
172120 (2002 GZ131)
Classification: Main-belt Asteroid          SPK-ID: 2172120
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07023761730988828 3.5747e-08  
a 2.310710943704107 1.3367e-08 au
q 2.148412112726447 8.3708e-08 au
i 1.689633220626255 6.106e-06 deg
node 20.70100039037195 0.00014313 deg
peri 267.7969527273326 0.00015014 deg
M 340.5752805015313 4.545e-05 deg
tp 2459069.725980231547
(2020-Aug-08.22598023)
0.00016199 TDB
period 1282.971055789076
3.51
1.1132e-05
3.048e-08
d
yr
n .2805986919000181 2.4348e-09 deg/d
Q 2.473009774681767 1.4306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      2000-12-23  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:40:55  

Additional Information
 Earth MOID = 1.13289 au 
 Jupiter MOID = 2.6152 au 
 T_jup = 3.581 
[ 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 16.9   n/a MPO433104  

172120 (2002 GZ131)          Discovered 2002-Apr-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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-Feb-21 01:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin