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JPL Small-Body Database Browser
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11028 (1987 UW)
Classification: Main-belt Asteroid          SPK-ID: 2011028
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651193113270469 4.1681e-08  
a 2.628755063524192 1.3797e-08 au
q 2.19469683778759 1.08e-07 au
i 32.22977830030195 5.6265e-06 deg
node 206.0422435945221 9.016e-06 deg
peri 159.0282010460427 1.9573e-05 deg
M 162.4640561293855 1.8021e-05 deg
tp 2457897.948118459427
(2017-May-24.44811846)		 7.619e-05 TDB
period 1556.766975909939
4.26		 1.2256e-05
3.356e-08		 d
yr
n .2312484819955651 1.8205e-09 deg/d
Q 3.062813289260794 1.6075e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      14387 days (39.39 yr)  
   first obs. used      1979-12-20  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:52:48  

Additional Information
 Earth MOID = 1.20951 au 
 Jupiter MOID = 2.42957 au 
 T_jup = 3.165 
[ 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 14.0   n/a MPO384854  
diameter diameter 4.358 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11028 (1987 UW)          Discovered 1987-Oct-18 by Mueller, J. at Palomar
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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