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146622 (2001 TX231)
Classification: Main-belt Asteroid          SPK-ID: 2146622
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09375967262318582 4.9874e-08  
a 2.856895197369341 1.7932e-08 au
q 2.58903363894524 1.5043e-07 au
i 1.615024167585082 4.1863e-06 deg
node 266.3789463771527 0.00024071 deg
peri 153.9526420372545 0.00024359 deg
M 280.6267658661492 3.6963e-05 deg
tp 2459389.376291042595
(2021-Jun-23.87629104)
0.00018223 TDB
period 1763.761629509179
4.83
1.6606e-05
4.546e-08
d
yr
n .2041092140666316 1.9217e-09 deg/d
Q 3.124756755793442 1.9613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6965 days (19.07 yr)  
   first obs. used      2001-10-11  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:54:57  

Additional Information
 Earth MOID = 1.60176 au 
 Jupiter MOID = 2.14655 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09546553761917866 5.0884e-08  
q 2.584735092906596 1.5401e-07 au
tp 2457613.006565815509
(2016-Aug-12.50656582)
0.00017097 TDB
node 266.5331041176952 0.00024166 deg
peri 151.6217885949863 0.00024432 deg
i 1.610419656767768 4.1832e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6965 days (19.07 yr)  
   first obs. used      2001-10-11  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:54:57  

Additional Information
 Jupiter MOID = 2.14655 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.589208094673252E-15 -7.802184250166445E-15 -3.29565035233063E-12 -1.855800970437504E-15 -5.863350432352683E-13 -1.037561191569746E-15
q -7.802184250166445E-15 2.371810411810858E-14 1.026736161074528E-11 1.353576573607688E-14 1.818291773139314E-12 3.290281742553315E-15
tp -3.29565035233063E-12 1.026736161074528E-11 2.923029626293537E-8 -3.34988419719018E-11 6.204228504555524E-9 5.173188302452033E-12
node -1.855800970437504E-15 1.353576573607688E-14 -3.34988419719018E-11 5.840010975018618E-8 -5.838519816788258E-8 -5.425393009976971E-11
peri -5.863350432352683E-13 1.818291773139314E-12 6.204228504555524E-9 -5.838519816788258E-8 5.96922285296351E-8 5.527678990681432E-11
i -1.037561191569746E-15 3.290281742553315E-15 5.173188302452033E-12 -5.425393009976971E-11 5.527678990681432E-11 1.749874932297647E-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 16.2   n/a MPO412893  

146622 (2001 TX231)          Discovered 2001-Oct-15 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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