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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650991726732748 3.6516e-08  
a 2.629940580575394 1.1826e-08 au
q 2.195739566542525 9.6926e-08 au
i 32.2213881299375 5.2994e-06 deg
node 206.022789252725 7.8208e-06 deg
peri 158.8378361398853 1.8713e-05 deg
M 301.4255159000828 1.8225e-05 deg
tp 2459453.968096218195
(2021-Aug-27.46809622)		 7.9664e-05 TDB
period 1557.820201760499
4.27		 1.0508e-05
2.877e-08		 d
yr
n .23109213732956 1.5588e-09 deg/d
Q 3.064141594608263 1.3779e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      14929 days (40.87 yr)  
   first obs. used      1979-12-20  
   last obs. used      2020-11-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51187  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:29:10  

Additional Information
 Earth MOID = 1.2102 au 
 Jupiter MOID = 2.43301 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 14.07   n/a E2021B10  
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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