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 ]  
150109 (1981 EA17)
Classification: Main-belt Asteroid          SPK-ID: 2150109
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08266709146824688 3.8525e-08  
a 2.47838859062448 1.6642e-08 au
q 2.273507414309466 9.9917e-08 au
i 5.124224393596441 5.0193e-06 deg
node 323.2340921407121 4.3082e-05 deg
peri 309.7574743856405 5.344e-05 deg
M 345.4416387186423 2.9783e-05 deg
tp 2459258.131844646919
(2021-Feb-12.63184465)		 0.00011781 TDB
period 1425.123588563394
3.90		 1.4354e-05
3.93e-08		 d
yr
n .2526096704096383 2.5443e-09 deg/d
Q 2.683269766939493 1.8017e-08 au
   Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      14324 days (39.22 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:09  

Additional Information
 Earth MOID = 1.25946 au 
 Jupiter MOID = 2.40985 au 
 T_jup = 3.470 
[ 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 15.9   n/a MPO469593  

150109 (1981 EA17)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1981 EA17 = 2004 CX68 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 21:38 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin