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210273 (2007 TD8)
Classification: Main-belt Asteroid          SPK-ID: 2210273
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

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 two-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.

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607460750940763 3.6223e-08  
a 2.254710610436338 1.285e-08 au
q 1.892274729335728 8.5829e-08 au
i 4.995868760555642 4.4063e-06 deg
node 94.53103045297679 4.7289e-05 deg
peri 245.614234026785 4.9645e-05 deg
M 290.3636829251975 1.4396e-05 deg
tp 2459239.703722051590
(2021-Jan-25.20372205)		 4.987e-05 TDB
period 1236.615369047594
3.39		 1.0572e-05
2.894e-08		 d
yr
n .2911171969965582 2.4887e-09 deg/d
Q 2.617146491536948 1.4916e-08 au
   Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8857 days (24.25 yr)  
   first obs. used      1996-05-17  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:15:09  

Additional Information
 Earth MOID = .889929 au 
 Jupiter MOID = 2.76148 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160006894498673 3.6212e-08  
q 1.894760887324075 8.5696e-08 au
tp 2456765.779889794499
(2014-Apr-18.27988979)		 4.997e-05 TDB
node 94.58172371425374 4.7282e-05 deg
peri 245.4811449195631 4.9667e-05 deg
i 4.995400491623055 4.4053e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8857 days (24.25 yr)  
   first obs. used      1996-05-17  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:15:09  

Additional Information
 Jupiter MOID = 2.76148 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.311296278002503E-15 -3.080748867482513E-15 3.120836074748488E-13 7.182280914343047E-15 5.106141278971649E-14 -1.56457381108844E-15
q -3.080748867482513E-15 7.343753432343617E-15 -8.105516043158199E-13 -1.660857046183384E-14 -1.291387440846683E-13 3.867326052861872E-15
tp 3.120836074748488E-13 -8.105516043158199E-13 2.497040606501739E-9 -1.6615327647367E-11 7.672717889584164E-10 -1.053991874504318E-12
node 7.182280914343047E-15 -1.660857046183384E-14 -1.6615327647367E-11 2.235576840582363E-9 -2.232160592505386E-9 -3.117896981079615E-11
peri 5.106141278971649E-14 -1.291387440846683E-13 7.672717889584164E-10 -2.232160592505386E-9 2.466778758148543E-9 3.084906405587639E-11
i -1.56457381108844E-15 3.867326052861872E-15 -1.053991874504318E-12 -3.117896981079615E-11 3.084906405587639E-11 1.940701725812952E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO437012  

210273 (2007 TD8)          Discovered 2007-Oct-07 by Lowe, A. at Mayhill
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12

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Alternate Designations
 2007 TD8 = 2002 CF85 = 2004 XY127 = 2006 GK6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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