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 ]  
91280 (1999 EO11)
Classification: Main-belt Asteroid          SPK-ID: 2091280
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818269853394307 5.1082e-08  
a 2.427224631135376 1.0066e-08 au
q 1.985889693714419 1.2413e-07 au
i 1.621224606484065 4.8252e-06 deg
node 25.17396984228769 0.00018973 deg
peri 271.3071422552244 0.00019023 deg
M 93.16497242813183 1.2584e-05 deg
tp 2458643.051448243091
(2019-Jun-08.55144824)
4.8569e-05 TDB
period 1381.221668173124
3.78
8.5925e-06
2.352e-08
d
yr
n .2606388303161757 1.6214e-09 deg/d
Q 2.868559568556333 1.1897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:54:16  

Additional Information
 Earth MOID = .970808 au 
 Jupiter MOID = 2.3349 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457027.5 (2015-Jan-05.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818305039556122 5.0995e-08  
q 1.985660859510402 1.2397e-07 au
tp 2457262.952261547859
(2015-Aug-28.45226155)
5.0718e-05 TDB
node 25.20681687087148 0.00018951 deg
peri 271.5735088626477 0.00019002 deg
i 1.622631586728388 4.8272e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:54:16  

Additional Information
 Jupiter MOID = 2.3349 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.600512838245092E-15 -6.307723065581487E-15 7.645625977913373E-13 -1.238247197865171E-14 1.601454327253282E-13 -1.954394430439378E-15
q -6.307723065581487E-15 1.536881502240039E-14 -1.994914103318313E-12 3.062863115238242E-14 -4.308178402114525E-13 4.833358321762676E-15
tp 7.645625977913373E-13 -1.994914103318313E-12 2.572305096912473E-9 -3.75870805670882E-12 7.316140351211452E-10 -1.435594072668093E-12
node -1.238247197865171E-14 3.062863115238242E-14 -3.75870805670882E-12 3.591548659884752E-8 -3.590157251677472E-8 -2.977119508742902E-10
peri 1.601454327253282E-13 -4.308178402114525E-13 7.316140351211452E-10 -3.590157251677472E-8 3.610766437344823E-8 2.972560685291978E-10
i -1.954394430439378E-15 4.833358321762676E-15 -1.435594072668093E-12 -2.977119508742902E-10 2.972560685291978E-10 2.330230296417692E-11

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 MPO436410  

91280 (1999 EO11)          Discovered 1999-Mar-15 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 EO11 = 2003 FR118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 19:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin