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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650092362794802 3.6388e-08  
a 2.629901480641591 1.1787e-08 au
q 2.195943445830648 9.6629e-08 au
i 32.22567757601613 5.2288e-06 deg
node 205.9999793780175 7.7388e-06 deg
peri 158.820857802033 1.8253e-05 deg
M 346.7424119233323 1.7699e-05 deg
tp 2459453.867994322655
(2021-Aug-27.36799432)
7.6765e-05 TDB
period 1557.785461180718
4.26
1.0473e-05
2.867e-08
d
yr
n .2310972909755745 1.5537e-09 deg/d
Q 3.063859515452534 1.3732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      15166 days (41.52 yr)  
   first obs. used      1979-12-20  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:28:39  

Additional Information
 Earth MOID = 1.21098 au 
 Jupiter MOID = 2.4343 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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