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 ]  
344715 (2003 UX21)
Classification: Main-belt Asteroid          SPK-ID: 2344715
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2745378814872577 7.9734e-08  
a 2.658740429603216 1.3624e-08 au
q 1.928815464635427 2.1542e-07 au
i 12.52741174461679 6.17e-06 deg
node 270.3510508650579 3.5648e-05 deg
peri 128.2077385028416 3.9964e-05 deg
M 290.9312277829803 1.5489e-05 deg
tp 2459304.302659586255
(2021-Mar-30.80265959)
6.9482e-05 TDB
period 1583.479102645773
4.34
1.2171e-05
3.332e-08
d
yr
n .22734749034483 1.7475e-09 deg/d
Q 3.388665394571003 1.7365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:38:23  

Additional Information
 Earth MOID = .965048 au 
 Jupiter MOID = 2.13272 au 
 T_jup = 3.299 
[ 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 16.1   n/a MPO386400  

344715 (2003 UX21)          Discovered 2003-Oct-22 by McClusky, J. V. at Kingsnake
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-23 14:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin