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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06438166673501042 3.4939e-08  
a 3.051387372244614 1.7262e-08 au
q 2.854933967365342 1.0518e-07 au
i 10.62970772293336 4.3622e-06 deg
node 40.77858543547622 1.9934e-05 deg
peri 279.0692027361196 3.8643e-05 deg
M 125.2303602584884 3.2889e-05 deg
tp 2458719.246008966067
(2019-Aug-23.74600897)
0.0001778 TDB
period 1946.903580481312
5.33
1.6521e-05
4.523e-08
d
yr
n .1849090029979815 1.5691e-09 deg/d
Q 3.247840777123886 1.8374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1833  
   data-arc span      15893 days (43.51 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:56:21  

Additional Information
 Earth MOID = 1.86758 au 
 Jupiter MOID = 1.96753 au 
 T_jup = 3.207 
[ 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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