Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
21253 (1996 AX3)
Classification: Main-belt Asteroid          SPK-ID: 2021253
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07558631279875955 5.0966e-08  
a 2.656326765334596 2.2576e-08 AU
q 2.455544819554298 1.4308e-07 AU
i 5.325021660951533 6.0043e-06 deg
node 331.8041612295639 5.843e-05 deg
peri 267.518160661322 7.2253e-05 deg
M 28.92732108097375 4.0807e-05 deg
tp 2456873.434868684701
(2014-Aug-03.93486868)
0.00017936 JED
period 1581.323315265251
4.33
2.0159e-05
5.519e-08
d
yr
n .2276574287653589 2.9023e-09 deg/d
Q 2.857108711114894 2.4282e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      6782 days (18.57 yr)  
   first obs. used      1995-12-27  
   last obs. used      2014-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:35:43  

Additional Information
 Earth MOID = 1.45212 AU 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO263536  

21253 (1996 AX3)          Discovered 1996-Jan-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-23 04:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin