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JPL Small-Body Database Browser
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11587 (1994 UH2)
Classification: Main-belt Asteroid          SPK-ID: 2011587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043148209673653 4.7012e-08  
a 3.150605152344377 1.7929e-08 au
q 2.506889824704277 1.4918e-07 au
i 3.126882182919397 4.3662e-06 deg
node 64.44392642919658 9.7218e-05 deg
peri 307.8928315582324 9.7786e-05 deg
M 157.6287357224228 1.1691e-05 deg
tp 2457706.119572281364
(2016-Nov-13.61957228)
6.3583e-05 TDB
period 2042.628537893598
5.59
1.7436e-05
4.774e-08
d
yr
n .176243498669239 1.5044e-09 deg/d
Q 3.794320479984477 2.1593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      11185 days (30.62 yr)  
   first obs. used      1988-09-16  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:56:30  

Additional Information
 Earth MOID = 1.50805 au 
 Jupiter MOID = 1.66797 au 
 T_jup = 3.173 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO395112  
diameter diameter 14.048 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11587 (1994 UH2)          Discovered 1994-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UH2 = 1988 SR3 = 1997 JS18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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