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JPL Small-Body Database Browser
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11711 Urquiza (1998 HV50)
Classification: Main-belt Asteroid          SPK-ID: 2011711
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079563956695333 4.3968e-08  
a 2.368573646440627 7.6783e-09 au
q 2.112870972693053 1.044e-07 au
i 2.903655783632245 3.8775e-06 deg
node 273.4073379268622 8.2596e-05 deg
peri 54.51280446431468 8.3932e-05 deg
M 163.7655427685407 1.5205e-05 deg
tp 2457994.812244208694
(2017-Aug-29.31224421)		 5.5981e-05 TDB
period 1331.461969341435
3.65		 6.4744e-06
1.773e-08		 d
yr
n .2703794838226303 1.3147e-09 deg/d
Q 2.6242763201882 8.5072e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      13693 days (37.49 yr)  
   first obs. used      1981-11-24  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:13:39  

Additional Information
 Earth MOID = 1.10195 au 
 Jupiter MOID = 2.65017 au 
 T_jup = 3.537 
[ 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 14.1   n/a MPO337357  
diameter diameter 3.835 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11711 Urquiza           Discovered 1998 Apr. 25 by LONEOS at the Anderson Mesa Station of the Lowell Observatory.
Luis Urquiza del Valle (1906-2000) was the much-loved grandfather of LONEOS observer L. Levy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 HV50 = 1981 WW5 = 1994 EN2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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