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 ]  
154237 (2002 JA123)
Classification: Main-belt Asteroid          SPK-ID: 2154237
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04822158594397859 4.6094e-08  
a 3.11842909140659 3.6617e-08 au
q 2.968053494965124 1.5306e-07 au
i 10.29457760401857 5.2095e-06 deg
node 94.23229670392375 2.8765e-05 deg
peri 188.8750552767868 6.5769e-05 deg
M 37.24216992024233 5.6266e-05 deg
tp 2458792.417904266548
(2019-Nov-04.91790427)
0.00031519 TDB
period 2011.417557689812
5.51
3.5428e-05
9.7e-08
d
yr
n .1789782527370763 3.1524e-09 deg/d
Q 3.268804687848056 3.8383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:37:20  

Additional Information
 Earth MOID = 1.95202 au 
 Jupiter MOID = 1.83538 au 
 T_jup = 3.190 
[ 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 15.0   n/a MPO449830  

154237 (2002 JA123)          Discovered 2002-May-06 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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-28 13:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin