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 ]  
117819 (2005 JJ4)
Classification: Main-belt Asteroid          SPK-ID: 2117819
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05183875130703153 4.9859e-08  
a 2.30543943844718 1.15e-08 au
q 2.185928336744094 1.1544e-07 au
i 7.827234958467043 5.2461e-06 deg
node 73.07460692907624 3.7226e-05 deg
peri 138.9460914048442 6.1781e-05 deg
M 129.4743432166293 4.7599e-05 deg
tp 2458540.656322015236
(2019-Feb-26.15632201)
0.00016893 TDB
period 1278.583230945889
3.50
9.5668e-06
2.619e-08
d
yr
n .2815616467405676 2.1067e-09 deg/d
Q 2.424950540150266 1.2096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1998-06-20  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:07  

Additional Information
 Earth MOID = 1.18354 au 
 Jupiter MOID = 2.55085 au 
 T_jup = 3.574 
[ 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 16.2   n/a MPO280569  

117819 (2005 JJ4)          Discovered 2005-May-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 JJ4 = 2003 YO72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 06:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin