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 ]  
(2011 EH17)
Classification: Aten [NEO]          SPK-ID: 3558388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6576409962203222 0.0028543  
a .7311050055887582 7.097e-05 au
q .250300381371703 0.0021109 au
i 2.984627174177521 0.032871 deg
node 333.0938015045628 0.057956 deg
peri 36.01513540939359 0.095246 deg
M 20.26739900378881 1.6658 deg
tp 2458987.645251634153
(2020-May-18.14525163)
1.0547 TDB
period 228.3326741058327
0.63
0.033247
9.103e-05
d
yr
n 1.576646887747389 0.00022957 deg/d
Q 1.211909629805813 0.00011764 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2011-03-06  
   last obs. used      2011-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58769  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:54:13  

Additional Information
 Earth MOID = .00729001 au 
 Jupiter MOID = 4.25246 au 
 T_jup = 7.681 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.6   n/a MPO196819  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 06:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin