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 ]  
17114 (1999 JJ54)
Classification: Main-belt Asteroid          SPK-ID: 2017114
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055531407752341 4.2288e-08  
a 3.142891387366086 1.8595e-08 au
q 2.811149330314162 1.3881e-07 au
i 5.546593364225807 4.0175e-06 deg
node 234.7382973042182 4.4265e-05 deg
peri 271.371788545836 4.8356e-05 deg
M .1872771284985744 1.8687e-05 deg
tp 2458999.441295577825
(2020-May-29.94129558)
0.00010564 TDB
period 2035.131545633104
5.57
1.8061e-05
4.945e-08
d
yr
n .176892742276278 1.5699e-09 deg/d
Q 3.474633444418009 2.0558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1595  
   data-arc span      10733 days (29.39 yr)  
   first obs. used      1990-09-16  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:23  

Additional Information
 Earth MOID = 1.83013 au 
 Jupiter MOID = 1.59625 au 
 T_jup = 3.194 
[ 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 13.3   n/a MPO458983  
diameter diameter 10.363 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17114 (1999 JJ54)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JJ54 = 1990 TR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 16:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin