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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426814144458832 1.8194e-07  
a 2.590056727741149 4.132e-08 au
q 2.220503770331966 4.6484e-07 au
i 11.26316867505804 6.3539e-06 deg
node 255.4524593517525 8.4038e-05 deg
peri 227.0407471500711 9.8335e-05 deg
M 204.8698364130084 5.9485e-05 deg
tp 2459256.578930305100
(2021-Feb-11.07893031)
0.00025815 TDB
period 1522.517668057443
4.17
3.6434e-05
9.975e-08
d
yr
n .2364504580490804 5.6582e-09 deg/d
Q 2.959609685150332 4.7215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5791 days (15.85 yr)  
   first obs. used      2003-12-19  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:23:39  

Additional Information
 Earth MOID = 1.25314 au 
 Jupiter MOID = 2.22857 au 
 T_jup = 3.379 
[ 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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