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181231 (2005 TA83)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025887986091355 5.5408e-08  
a 3.489308732853384 4.6601e-08 au
q 3.13134474197359 2.0612e-07 au
i 8.79704520057874 5.1805e-06 deg
node 246.0750112142167 4.1e-05 deg
peri 85.62389955373385 4.8284e-05 deg
M 166.5771290038865 2.7826e-05 deg
tp 2458098.908960084984
(2017-Dec-11.40896008)
0.00017685 TDB
period 2380.715628495153
6.52
4.7693e-05
1.306e-07
d
yr
n .1512150362231862 3.0293e-09 deg/d
Q 3.847272723733177 5.1382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      7801 days (21.36 yr)  
   first obs. used      1999-11-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:21  

Additional Information
 Earth MOID = 2.13603 au 
 Jupiter MOID = 1.52774 au 
 T_jup = 3.101 
[ show covariance matrix ]

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 14.33   n/a MPCxxxxx  

181231 (2005 TA83)          Discovered 2005-Oct-03 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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