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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0644616230137416 3.5833e-08  
a 3.050002209080233 1.7553e-08 au
q 2.853394116487424 1.0861e-07 au
i 10.63198364985939 4.4268e-06 deg
node 40.78237953610122 2.0739e-05 deg
peri 278.659950640814 3.9302e-05 deg
M 52.38061003352662 3.3034e-05 deg
tp 2458717.415096994255
(2019-Aug-21.91509699)
0.00017855 TDB
period 1945.578049145277
5.33
1.6795e-05
4.598e-08
d
yr
n .1850349823581498 1.5973e-09 deg/d
Q 3.246610301673042 1.8684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1695  
   data-arc span      15746 days (43.11 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:51:14  

Additional Information
 Earth MOID = 1.8667 au 
 Jupiter MOID = 1.96985 au 
 T_jup = 3.208 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457320.5 (2015-Oct-25.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06809538049429789 3.5979e-08  
q 2.841743570734093 1.097e-07 au
tp 2456772.439922018201
(2014-Apr-24.93992202)
0.00016994 TDB
node 40.8287110765574 2.0722e-05 deg
peri 278.9650957623197 3.7807e-05 deg
i 10.64052659119811 4.4312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1695  
   data-arc span      15746 days (43.11 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:51:14  

Additional Information
 Jupiter MOID = 1.96985 au 
 T_jup = 3.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.294501957421567E-15 -3.903255398575347E-15 1.489635910433313E-12 -4.061721309678072E-15 2.673205276839893E-13 4.040547096754637E-16
q -3.903255398575347E-15 1.203443239182707E-14 -4.887452429645571E-12 1.174108071790233E-14 -8.664212867976182E-13 -3.574105197959941E-16
tp 1.489635910433313E-12 -4.887452429645571E-12 2.887920785233793E-8 -4.533143572682074E-11 5.390659332452375E-9 5.059870516918991E-13
node -4.061721309678072E-15 1.174108071790233E-14 -4.533143572682074E-11 4.294149450478615E-10 -4.300954189060546E-10 -2.101959613441915E-11
peri 2.673205276839893E-13 -8.664212867976182E-13 5.390659332452375E-9 -4.300954189060546E-10 1.429352520183027E-9 2.077881664233803E-11
i 4.040547096754637E-16 -3.574105197959941E-16 5.059870516918991E-13 -2.101959613441915E-11 2.077881664233803E-11 1.963547942688684E-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

[ 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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