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JPL Small-Body Database Browser
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442460 (2011 UW263)
Classification: Main-belt Asteroid          SPK-ID: 2442460
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344547528229702 8.8903e-08  
a 2.682937480806746 4.2343e-08 au
q 2.322203784985392 2.5808e-07 au
i 12.3281589107881 7.2582e-06 deg
node 77.44374987339775 2.9917e-05 deg
peri 307.0286667026209 3.8793e-05 deg
M 266.7023394423356 2.7238e-05 deg
tp 2459016.489634348495
(2020-Jun-15.98963435)
0.00012671 TDB
period 1605.144946511265
4.39
3.7999e-05
1.04e-07
d
yr
n .2242788109462945 5.3095e-09 deg/d
Q 3.043671176628099 4.8036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      1998-11-20  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:14  

Additional Information
 Earth MOID = 1.35017 au 
 Jupiter MOID = 2.41896 au 
 T_jup = 3.330 
[ 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 16.3   n/a MPO440832  

442460 (2011 UW263)          Discovered 2011-Oct-18 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UW263 = 2011 WD157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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