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181937 (1999 TX159)
Classification: Main-belt Asteroid          SPK-ID: 2181937
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316434824799458 3.5569e-08  
a 3.051002707815454 2.0438e-08 au
q 2.649358086302883 1.068e-07 au
i 10.04424827201319 4.1611e-06 deg
node 200.4477305298704 2.2031e-05 deg
peri 98.09684603344743 3.294e-05 deg
M 41.42844903291069 2.0582e-05 deg
tp 2458976.494598588046
(2020-May-06.99459859)
0.00011126 TDB
period 1946.535445829545
5.33
1.956e-05
5.355e-08
d
yr
n .1849439735460767 1.8584e-09 deg/d
Q 3.452647329328025 2.3129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:40  

Additional Information
 Earth MOID = 1.65629 au 
 Jupiter MOID = 1.84075 au 
 T_jup = 3.200 
[ 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 15.72   n/a E2021B55  

181937 (1999 TX159)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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