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JPL Small-Body Database Browser
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442424 (2011 UA129)
Classification: Main-belt Asteroid          SPK-ID: 2442424
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291869682657535 8.4116e-08  
a 2.774099949062034 5.8865e-08 au
q 2.415722386976529 2.4365e-07 au
i 9.842177321816726 9.8889e-06 deg
node 62.27017624566234 6.7527e-05 deg
peri 244.1708786734615 8.7564e-05 deg
M 36.39099630592875 4.9763e-05 deg
tp 2458829.902356275590
(2019-Dec-12.40235628)
0.0002342 TDB
period 1687.646890029825
4.62
5.3717e-05
1.471e-07
d
yr
n .2133147651483172 6.7897e-09 deg/d
Q 3.132477511147539 6.647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6990 days (19.14 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:09  

Additional Information
 Earth MOID = 1.42011 au 
 Jupiter MOID = 2.11405 au 
 T_jup = 3.302 
[ 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 16.6   n/a MPO434643  

442424 (2011 UA129)          Discovered 2007-Dec-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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