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 ]  
948 Jucunda (A921 EL)
Classification: Main-belt Asteroid          SPK-ID: 2000948
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634653768528787 4.4005e-08  
a 3.032537903069306 1.2375e-08 au
q 2.536822951923444 1.385e-07 au
i 8.6534447286617 3.6614e-06 deg
node 357.0918356696422 2.2113e-05 deg
peri 163.2169208979481 2.4265e-05 deg
M 315.2367742188351 1.0104e-05 deg
tp 2459440.342784927293
(2021-Aug-13.84278493)
5.4595e-05 TDB
period 1928.891429673424
5.28
1.1807e-05
3.233e-08
d
yr
n .1866356988588782 1.1424e-09 deg/d
Q 3.528252854215169 1.4398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4054  
   data-arc span      36484 days (99.89 yr)  
   first obs. used      1921-03-03  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:51:10  

Additional Information
 Earth MOID = 1.54626 au 
 Jupiter MOID = 1.45258 au 
 T_jup = 3.205 
[ 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 11.52   n/a E2021B10  
diameter diameter 17.331 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 26.24 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2011) Minor Planet Bull. 38, 211-212.]
geometric albedo albedo 0.130   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

948 Jucunda (A921 EL)          Discovered 1921-Mar-03 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-28 17:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin