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 ]  
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411158440471751 5.9715e-08  
a 2.678483067371323 2.7048e-08 au
q 2.300506668553152 1.5848e-07 au
i 3.888802293196362 6.2209e-06 deg
node 125.5100801861493 0.00010236 deg
peri 290.9710197902832 0.00010831 deg
M 85.33803449297918 3.222e-05 deg
tp 2458620.947444447212
(2019-May-17.44744445)
0.00014097 TDB
period 1601.14913368722
4.38
2.4253e-05
6.64e-08
d
yr
n .2248385190522327 3.4057e-09 deg/d
Q 3.056459466189494 3.0865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6673 days (18.27 yr)  
   first obs. used      2001-12-14  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:22:42  

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-Nov-26 09:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin