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 ]  
91365 (1999 JL84)
Classification: Main-belt Asteroid          SPK-ID: 2091365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2460712246614946 3.0278e-08  
a 2.547796667630061 1.4455e-08 au
q 1.920857221437856 7.9337e-08 au
i 13.95247998295121 8.666e-06 deg
node 180.9261494072424 1.8962e-05 deg
peri 113.5056132683248 3.3683e-05 deg
M 26.6183199443061 3.0241e-05 deg
tp 2458890.669309292461
(2020-Feb-11.16930929)
0.00012421 TDB
period 1485.407371218098
4.07
1.2641e-05
3.461e-08
d
yr
n .2423577578619289 2.0625e-09 deg/d
Q 3.174736113822265 1.8012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      1999-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52841  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:52  

Additional Information
 Earth MOID = .954063 au 
 Jupiter MOID = 2.25507 au 
 T_jup = 3.359 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO432451  

91365 (1999 JL84)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 22:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin