Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2455400.5 (2010-Jul-23.0) TDB
Reference: JPL 140 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5894434116936104 2.2294e-08  
a 1.846655940317464 1.9499e-09 AU
q .7581567626324658 4.1483e-08 AU
i 51.30897234796239 1.7369e-05 deg
node 164.4005418863954 1.097e-06 deg
peri 293.5200458751821 5.8039e-06 deg
M 285.3288944940344 1.2477e-06 deg
tp 2455590.619861094195
(2011-Jan-29.11986110)		 3.3663e-06 JED
period 916.5948398667034
2.51		 1.4518e-06
3.975e-09		 d
yr
n .392758047876806 6.2208e-10 deg/d
Q 2.935155118002462 3.0993e-09 AU
   Orbit Determination Parameters
   # obs. used (total)      774  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      7401 days (20.26 yr)  
   first obs. used      1990-08-02  
   last obs. used      2010-11-06  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .48465  
   data source      ORB  
   producer      Otto Matic  
   solution date      2010-Dec-06 12:54:49  

Additional Information
 Earth MOID = .0133483 AU 
 T_jup = 3.419 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

C/2010 X1 (Elenin)
Classification: Hyperbolic Comet          SPK-ID: 1003113
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]
Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2455566.5 (2011-Jan-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000575119582635 0.00026876  
a -836.5948837171574 391.93 AU
q .4811421003579022 0.00057194 AU
i 1.839969420937815 0.00084926 deg
node 323.2413522833624 0.012318 deg
peri 343.8054659849981 0.012298 deg
M 359.989881792307 0.0071045 deg
tp 2455814.911857514080
(2011-Sep-10.41185752)		 0.14433 JED
period n/a
n/a		 n/a
n/a		 d
yr
n 4.073158098921481E-5 2.8623e-05 deg/d
Q n/a n/a AU
   Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      56 days  
   first obs. used      2010-12-10  
   last obs. used      2011-02-04  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .56512  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Feb-04 18:50:19  

Additional Information
 Earth MOID = .0306093 AU 
[ show covariance matrix ]

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