Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082115848828627 4.3597e-08  
a 2.368326549734544 7.5974e-09 au
q 2.112046180267607 1.0365e-07 au
i 2.903643365337532 3.8592e-06 deg
node 273.4088186310283 8.2556e-05 deg
peri 54.47167565834809 8.3891e-05 deg
M 271.9896760797245 1.5375e-05 deg
tp 2459325.955729051545
(2021-Apr-21.45572905)
5.7129e-05 TDB
period 1331.253621617047
3.64
6.4058e-06
1.754e-08
d
yr
n .2704217995386298 1.3012e-09 deg/d
Q 2.624606919201481 8.4195e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1933  
   data-arc span      13950 days (38.19 yr)  
   first obs. used      1981-11-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:07:49  

Additional Information
 Earth MOID = 1.10201 au 
 Jupiter MOID = 2.65152 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-Aug-07 16:24 < 00:01 Hebe 0.0308246745470846 0.0308240405801742 0.0308253085224329 7.02419785819219 7.02419782948027 2453955.183471087 0.230993975407238 50.1349069624822 23.9277332699387 -62.0466686948994 175569.020232959 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:08:01 2020-Feb-22 20:08
2063-May-17 06:19 < 00:01 Juno 0.0226749032471612 0.0226691279719218 0.0226806794129774 6.8241573003676 6.82415722174425 2474691.762906501 0.229942543187328 365.73389424598 33.2932080818409 38.2590404063421 63483.9902256744 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:08:01 2020-Feb-22 20:08

Alternate Designations
 1998 HV50 = 1981 WW5 = 1994 EN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 15:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin