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175837 (1999 TF138)
Classification: Main-belt Asteroid          SPK-ID: 2175837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928387363225798 3.2625e-08  
a 2.293921294576427 1.1934e-08 au
q 1.851564410906852 7.3832e-08 au
i 6.473013675285345 4.8624e-06 deg
node 11.80234253399658 3.2886e-05 deg
peri 282.5930409939968 3.504e-05 deg
M 101.1945800759867 1.3144e-05 deg
tp 2458843.785348109744
(2019-Dec-26.28534811)
4.5545e-05 TDB
period 1269.013365973393
3.47
9.9032e-06
2.711e-08
d
yr
n .2836849552990035 2.2138e-09 deg/d
Q 2.736278178246002 1.4236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      14468 days (39.61 yr)  
   first obs. used      1981-05-28  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:01  

Additional Information
 Earth MOID = .847174 au 
 Jupiter MOID = 2.49257 au 
 T_jup = 3.563 
[ 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 16.8   n/a MPO469887  

175837 (1999 TF138)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1999 TF138 = 1981 KQ1 = 2006 SJ130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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