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312071 (2007 TJ22)
Classification: Main-belt Asteroid          SPK-ID: 2312071
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744705021716239 5.5661e-08  
a 2.385006848725717 1.2516e-08 au
q 1.968893506145779 1.3236e-07 au
i 6.742652690901079 6.0936e-06 deg
node 58.87277556042699 5.2354e-05 deg
peri 344.5812301213915 5.4701e-05 deg
M 152.4954968823461 1.5085e-05 deg
tp 2458430.614783242452
(2018-Nov-08.11478324)
5.5135e-05 TDB
period 1345.342532907723
3.68
1.059e-05
2.899e-08
d
yr
n .2675898451095001 2.1064e-09 deg/d
Q 2.801120191305655 1.47e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7035 days (19.26 yr)  
   first obs. used      2001-01-18  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:25:50  

Additional Information
 Earth MOID = .979011 au 
 Jupiter MOID = 2.59414 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457467.5 (2016-Mar-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730930420091135 5.5454e-08  
q 1.973774947556019 1.3163e-07 au
tp 2457084.243519412845
(2015-Mar-02.74351941)
5.4655e-05 TDB
node 58.91916240340181 5.2407e-05 deg
peri 344.6061381464499 5.4809e-05 deg
i 6.737613281968912 6.0879e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7035 days (19.26 yr)  
   first obs. used      2001-01-18  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:25:50  

Additional Information
 Jupiter MOID = 2.59414 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.075155353699452E-15 -7.276892234292796E-15 -1.279898041604177E-12 -1.372352737084468E-14 -3.70603465155048E-13 -3.248415812842134E-15
q -7.276892234292796E-15 1.73266532458984E-14 3.06968633628689E-12 3.397297744043112E-14 8.947312714972868E-13 7.597507603793054E-15
tp -1.279898041604177E-12 3.06968633628689E-12 2.987139912031559E-9 -1.197966233529352E-11 9.205744064381844E-10 5.51302485254511E-12
node -1.372352737084468E-14 3.397297744043112E-14 -1.197966233529352E-11 2.746463786845149E-9 -2.7300705343619E-9 -1.743832115313713E-10
peri -3.70603465155048E-13 8.947312714972868E-13 9.205744064381844E-10 -2.7300705343619E-9 3.003974998443405E-9 1.747235582311093E-10
i -3.248415812842134E-15 7.597507603793054E-15 5.51302485254511E-12 -1.743832115313713E-10 1.747235582311093E-10 3.706297498663983E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO471268  

312071 (2007 TJ22)          Discovered 2007-Oct-08 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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