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
JPL Small-Body Database Browser
Search: [ help ]  
72931 (2002 AJ14)
Classification: Main-belt Asteroid          SPK-ID: 2072931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25137435363847 3.1875e-08  
a 2.346261304598366 1.0137e-08 au
q 1.756471385687998 7.6945e-08 au
i 6.754837342331288 5.152e-06 deg
node 8.214684481297427 2.9608e-05 deg
peri 272.1471581973597 3.1616e-05 deg
M 57.2753943413849 1.066e-05 deg
tp 2459187.652836454027
(2020-Dec-04.15283645)
3.8725e-05 TDB
period 1312.692470145502
3.59
8.5073e-06
2.329e-08
d
yr
n .2742454978507621 1.7773e-09 deg/d
Q 2.936051223508734 1.2685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      8638 days (23.65 yr)  
   first obs. used      1996-12-13  
   last obs. used      2020-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:52  

Additional Information
 Earth MOID = .75633 au 
 Jupiter MOID = 2.26145 au 
 T_jup = 3.509 
[ 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 15.46   n/a E2021B10  

72931 (2002 AJ14)          Discovered 2002-Jan-12 by Yeung, W. K. Y. at Desert Eagle
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 18:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin