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 ]  
59584 (1999 JT55)
Classification: Main-belt Asteroid          SPK-ID: 2059584
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287383342188675 3.3881e-08  
a 2.620165883676922 1.273e-08 au
q 2.282850092435248 8.7812e-08 au
i 5.759648682038739 4.122e-06 deg
node 174.9751461643541 4.1083e-05 deg
peri 113.0457524515645 4.4525e-05 deg
M 214.318229743521 1.7596e-05 deg
tp 2459227.394294958945
(2021-Jan-12.89429496)
7.6214e-05 TDB
period 1549.143353954976
4.24
1.129e-05
3.091e-08
d
yr
n .232386498693563 1.6936e-09 deg/d
Q 2.957481674918596 1.4369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      9593 days (26.26 yr)  
   first obs. used      1992-11-29  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58713  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:27  

Additional Information
 Earth MOID = 1.2736 au 
 Jupiter MOID = 2.21393 au 
 T_jup = 3.386 
[ 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 15.1   n/a MPO436198  

59584 (1999 JT55)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JT55 = 2000 SE188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 03:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin