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
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083378127661578 1.5938e-08  
a 2.369172712077934 6.7938e-09 au
q 2.112501722386144 3.9562e-08 au
i 2.903160301162577 1.2537e-06 deg
node 273.40929346874 6.4314e-06 deg
peri 54.29097267169546 1.3009e-05 deg
M 326.2375700917946 1.1905e-05 deg
tp 2459325.417908560664
(2021-Apr-20.91790856)
4.4199e-05 TDB
period 1331.967136373373
3.65
5.7293e-06
1.569e-08
d
yr
n .2702769386489471 1.1626e-09 deg/d
Q 2.625843701769723 7.5298e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2273  
   data-arc span      14167 days (38.79 yr)  
   first obs. used      1981-11-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:55:33  

Additional Information
 Earth MOID = 1.10048 au 
 Jupiter MOID = 2.64908 au 
 T_jup = 3.536 
[ 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 14.19   n/a E2021B10  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 20:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin