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300433 (2007 TX21)
Classification: Main-belt Asteroid          SPK-ID: 2300433
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631040308030998 4.2128e-08  
a 2.637934567788002 1.6273e-08 au
q 2.207676806786946 1.0955e-07 au
i 9.433997921822515 4.0173e-06 deg
node 232.8514867916522 3.2887e-05 deg
peri 207.4596527299917 3.6376e-05 deg
M 313.876292594417 1.7523e-05 deg
tp 2459201.000824555279
(2020-Dec-17.50082456)
7.717e-05 TDB
period 1564.928339458756
4.28
1.448e-05
3.964e-08
d
yr
n .230042482408178 2.1286e-09 deg/d
Q 3.068192328789058 1.8927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1994-11-10  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:38:46  

Additional Information
 Earth MOID = 1.22751 au 
 Jupiter MOID = 2.22225 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457263.5 (2015-Aug-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614331621021424 4.1442e-08  
q 2.21373573881742 1.0745e-07 au
tp 2457630.508472972445
(2016-Aug-30.00847297)
7.1794e-05 TDB
node 232.8975910661496 3.2893e-05 deg
peri 206.5584066236307 3.654e-05 deg
i 9.427714564415593 4.0136e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1994-11-10  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:38:46  

Additional Information
 Jupiter MOID = 2.22225 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.717443420651982E-15 -4.416945184245874E-15 1.087334368561198E-12 -2.332092915611434E-15 2.847911151124472E-13 -5.519953325370239E-16
q -4.416945184245874E-15 1.154480693882572E-14 -2.458278294804534E-12 8.327219517924944E-15 -6.719831246638412E-13 1.896711292184134E-15
tp 1.087334368561198E-12 -2.458278294804534E-12 5.154338635084545E-9 2.110450332703275E-11 1.179982278214547E-9 1.925492078714195E-12
node -2.332092915611434E-15 8.327219517924944E-15 2.110450332703275E-11 1.081959898426632E-9 -1.062296152804243E-9 2.090212405356526E-11
peri 2.847911151124472E-13 -6.719831246638412E-13 1.179982278214547E-9 -1.062296152804243E-9 1.335207814528531E-9 -2.019117789007655E-11
i -5.519953325370239E-16 1.896711292184134E-15 1.925492078714195E-12 2.090212405356526E-11 -2.019117789007655E-11 1.610935477165329E-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 15.6   n/a MPO450215  

300433 (2007 TX21)          Discovered 2007-Oct-07 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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