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JPL Small-Body Database Browser
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441593 (2008 UA157)
Classification: Main-belt Asteroid          SPK-ID: 2441593
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033133378352099 8.4307e-08  
a 2.575419469785166 3.6143e-08 au
q 2.309344288035874 2.2386e-07 au
i .9626422529495788 7.1305e-06 deg
node 82.24949264981878 0.00048091 deg
peri 299.20372446 0.00048216 deg
M 313.6029001734276 3.8018e-05 deg
tp 2459195.062313907692
(2020-Dec-11.56231391)
0.00016193 TDB
period 1509.629551600869
4.13
3.1779e-05
8.701e-08
d
yr
n .2384690996663666 5.0199e-09 deg/d
Q 2.841494651534457 3.9877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      3897 days (10.67 yr)  
   first obs. used      2008-10-23  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:12  

Additional Information
 Earth MOID = 1.31222 au 
 Jupiter MOID = 2.59801 au 
 T_jup = 3.420 
[ 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 17.4   n/a MPO437716  

441593 (2008 UA157)          Discovered 2008-Oct-23 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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