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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2763704935260456 1.2727e-07  
a 2.657212242754418 1.3911e-08 au
q 1.922837183820929 3.394e-07 au
i 12.5283014413729 7.6136e-06 deg
node 270.3632557658913 6.0679e-05 deg
peri 128.1883993458254 6.3398e-05 deg
M 200.1502404951233 1.7523e-05 deg
tp 2459303.001539645299
(2021-Mar-29.50153965)
7.9542e-05 TDB
period 1582.114074213494
4.33
1.2424e-05
3.402e-08
d
yr
n .2275436429443081 1.7869e-09 deg/d
Q 3.391587301687907 1.7756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6609 days (18.09 yr)  
   first obs. used      1999-12-07  
   last obs. used      2018-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:19:13  

Additional Information
 Earth MOID = .958685 au 
 Jupiter MOID = 2.12945 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 ]
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