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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06446162319568077 3.6582e-08  
a 3.050002209032368 1.7774e-08 au
q 2.853394115887729 1.1146e-07 au
i 10.63198348801594 4.4446e-06 deg
node 40.78238150989397 2.1303e-05 deg
peri 278.6599487218904 3.9692e-05 deg
M 52.38061003490643 3.3078e-05 deg
tp 2458717.415096993462
(2019-Aug-21.91509699)
0.00017881 TDB
period 1945.578049099478
5.33
1.7007e-05
4.656e-08
d
yr
n .1850349823625057 1.6174e-09 deg/d
Q 3.246610302177006 1.8919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      15729 days (43.06 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:49:26  

Additional Information
 Earth MOID = 1.8667 au 
 Jupiter MOID = 1.96985 au 
 T_jup = 3.208 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457279.5 (2015-Sep-14.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06811211253060558 3.6739e-08  
q 2.841753486516803 1.1262e-07 au
tp 2456772.546219368713
(2014-Apr-25.04621937)
0.00017027 TDB
node 40.82846514696676 2.1286e-05 deg
peri 278.9856474560873 3.8191e-05 deg
i 10.64042642801856 4.4492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      15729 days (43.06 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:49:26  

Additional Information
 Jupiter MOID = 1.96985 au 
 T_jup = 3.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.349764258805295E-15 -4.092760654242654E-15 1.574425896013521E-12 -4.357746907120305E-15 2.854046769458597E-13 4.014866018163189E-16
q -4.092760654242654E-15 1.268403950517885E-14 -5.179041374960692E-12 1.25557291146737E-14 -9.284162173189095E-13 -3.332130714545263E-16
tp 1.574425896013521E-12 -5.179041374960692E-12 2.899059586907559E-8 -4.889865387757416E-11 5.417831694790608E-9 7.607474659178045E-13
node -4.357746907120305E-15 1.25557291146737E-14 -4.889865387757416E-11 4.531079121215971E-10 -4.540286296709343E-10 -2.296921159202002E-11
peri 2.854046769458597E-13 -9.284162173189095E-13 5.417831694790608E-9 -4.540286296709343E-10 1.45853410424808E-9 2.274000038165287E-11
i 4.014866018163189E-16 -3.332130714545263E-16 7.607474659178045E-13 -2.296921159202002E-11 2.274000038165287E-11 1.979564116794989E-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 13.4   n/a MPO358756  

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

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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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