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12970 (4012 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2012970
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06445319409668539 3.4949e-08  
a 3.050668962912049 1.7265e-08 au
q 2.854043604120744 1.0522e-07 au
i 10.6308825181823 4.3678e-06 deg
node 40.7827620829766 1.9961e-05 deg
peri 278.8625854990199 3.8669e-05 deg
M 89.18629167646932 3.289e-05 deg
tp 2458718.345018564076
(2019-Aug-22.84501856)
0.00017778 TDB
period 1946.216061394201
5.33
1.6521e-05
4.523e-08
d
yr
n .1849743238384892 1.5702e-09 deg/d
Q 3.247294321703353 1.8377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1818  
   data-arc span      15854 days (43.41 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4805  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:40:09  

Additional Information
 Earth MOID = 1.86545 au 
 Jupiter MOID = 1.96877 au 
 T_jup = 3.208 
[ show covariance matrix ]

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 13.43   n/a E2021B10  

12970 (4012 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4012 T-3 = 1991 GF10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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