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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634958431624334 4.514e-08  
a 3.031908883845651 1.3969e-08 au
q 2.536204384489634 1.4147e-07 au
i 8.653638486925876 4.3142e-06 deg
node 357.098736582059 2.2292e-05 deg
peri 163.2884398168098 2.4599e-05 deg
M 277.8352407793638 1.0946e-05 deg
tp 2459440.604421136979
(2021-Aug-14.10442114)
5.9868e-05 TDB
period 1928.291315061993
5.28
1.3326e-05
3.648e-08
d
yr
n .1866937828262875 1.2902e-09 deg/d
Q 3.527613383201668 1.6252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3777  
   data-arc span      36414 days (99.70 yr)  
   first obs. used      1921-03-03  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:57:19  

Additional Information
 Earth MOID = 1.54587 au 
 Jupiter MOID = 1.45397 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 11.5   n/a MPO452171  
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-Jan-21 19:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin