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JPL Small-Body Database Browser
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423491 (2005 TA81)
Classification: Main-belt Asteroid          SPK-ID: 2423491
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451604791689342 1.3298e-07  
a 2.601075636912459 5.0562e-08 au
q 2.223502251103606 3.4574e-07 au
i 12.3823631302272 1.5614e-05 deg
node .9130151026102813 6.4099e-05 deg
peri 87.90981754930627 0.00011653 deg
M 119.3042546934435 7.6441e-05 deg
tp 2458492.713290183807
(2019-Jan-09.21329018)
0.00032853 TDB
period 1532.24389191776
4.20
4.4677e-05
1.223e-07
d
yr
n .2349495415833724 6.8507e-09 deg/d
Q 2.978649022721312 5.7901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      3429 days (9.39 yr)  
   first obs. used      2005-09-23  
   last obs. used      2015-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50414  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 15:30:46  

Additional Information
 Earth MOID = 1.28021 au 
 Jupiter MOID = 2.29034 au 
 T_jup = 3.367 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a E2013Q57  

423491 (2005 TA81)          Discovered 2005-Oct-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 TA81 = 2007 EK61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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