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JPL Small-Body Database Browser
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447852 (2007 UA139)
Classification: Main-belt Asteroid          SPK-ID: 2447852
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142776027749638 1.8163e-07  
a 2.590481305297984 4.1068e-08 au
q 2.220622674567841 4.6401e-07 au
i 11.26302941229035 6.1586e-06 deg
node 255.4538327854069 8.2452e-05 deg
peri 226.942296094695 9.6956e-05 deg
M 299.5585494254356 6.0361e-05 deg
tp 2459256.182791090301
(2021-Feb-10.68279109)
0.00025807 TDB
period 1522.892053673574
4.17
3.6214e-05
9.915e-08
d
yr
n .2363923294048289 5.6214e-09 deg/d
Q 2.960339936028128 4.6931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5812 days (15.91 yr)  
   first obs. used      2003-12-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:01:05  

Additional Information
 Earth MOID = 1.25294 au 
 Jupiter MOID = 2.22677 au 
 T_jup = 3.378 
[ 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 MPO402792  

447852 (2007 UA139)          Discovered 2007-Oct-21 by CSS at Catalina
Reference: Last Updated: 2015-10-28

Alternate Designations
 2007 UA139 = 2010 HW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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