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 ]  
4415 Echnaton (4237 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06438687439477099 3.6793e-08  
a 2.337634526281514 7.8005e-09 au
q 2.187121545656947 8.704e-08 au
i 2.011939840959291 4.0153e-06 deg
node 328.9769903970185 9.8633e-05 deg
peri 174.8962723152164 0.00010254 deg
M 7.308791517107861 2.7937e-05 deg
tp 2458573.996305341195
(2019-Mar-31.49630534)
0.0001013 TDB
period 1305.459330018695
3.57
6.5343e-06
1.789e-08
d
yr
n .2757650060188734 1.3803e-09 deg/d
Q 2.488147506906083 8.3028e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      24987 days (68.41 yr)  
   first obs. used      1950-12-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52044  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:26:44  

Additional Information
 Earth MOID = 1.19969 au 
 Jupiter MOID = 2.50555 au 
 T_jup = 3.563 
[ 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 15.2   n/a MPO431548  

4415 Echnaton (4237 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 4237 P-L = 1980 FK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 19:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin