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 ]  
413995 (2007 EW157)
Classification: Main-belt Asteroid          SPK-ID: 2413995
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411158449445569 6.24e-08  
a 2.678483066955841 2.7667e-08 au
q 2.300506665792679 1.6727e-07 au
i 3.888802014635157 6.233e-06 deg
node 125.5101191602406 0.00010945 deg
peri 290.9709808401968 0.00011512 deg
M 85.33803465517001 3.2391e-05 deg
tp 2458620.947443814159
(2019-May-17.44744381)
0.00014162 TDB
period 1601.149133314668
4.38
2.4808e-05
6.792e-08
d
yr
n .2248385191045477 3.4836e-09 deg/d
Q 3.056459468119002 3.1571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6624 days (18.14 yr)  
   first obs. used      2001-12-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 07:03:41  

Additional Information
 Earth MOID = 1.31594 au 
 Jupiter MOID = 2.27762 au 
 T_jup = 3.360 
[ 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 17.3   n/a MPO455949  

413995 (2007 EW157)          Discovered 2007-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-11-10

Alternate Designations
 2007 EW157 = 2001 XT263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 09:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin