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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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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 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 16.87   n/a E2021B55  

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

[ show close-approach data ]
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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