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70554 (1999 TS139)
Classification: Main-belt Asteroid          SPK-ID: 2070554
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037398550918532 3.919e-08  
a 2.623148550373879 1.4706e-08 au
q 2.351023499873688 1.053e-07 au
i 1.826712080370132 5.4434e-06 deg
node 246.7949429947946 0.00015857 deg
peri 205.4920135514329 0.00016168 deg
M 253.0815866704249 3.0663e-05 deg
tp 2459461.374585203439
(2021-Sep-03.87458520)
0.00013255 TDB
period 1551.789308374854
4.25
1.3049e-05
3.573e-08
d
yr
n .2319902567037391 1.9508e-09 deg/d
Q 2.89527360087407 1.6231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:28:12  

Additional Information
 Earth MOID = 1.36783 au 
 Jupiter MOID = 2.25769 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456624.5 (2013-Nov-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039012079761928 3.9418e-08  
q 2.350482279596497 1.0596e-07 au
tp 2456349.554676706131
(2013-Feb-26.05467671)
0.00013133 TDB
node 246.8683883853055 0.00015856 deg
peri 203.9275889171356 0.00016168 deg
i 1.825920567778168 5.4528e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:28:12  

Additional Information
 Jupiter MOID = 2.25769 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.55379961638302E-15 -4.146074670020316E-15 -1.558122192757849E-12 -1.205673098632806E-14 -3.271647430278112E-13 -8.163210197117368E-17
q -4.146074670020316E-15 1.122849776514041E-14 4.026972383572555E-12 3.267427821559356E-14 8.460490555060668E-13 2.045006769291132E-16
tp -1.558122192757849E-12 4.026972383572555E-12 1.724838534061936E-8 3.911780077089634E-11 4.17502791558741E-9 9.61290762963991E-13
node -1.205673098632806E-14 3.267427821559356E-14 3.911780077089634E-11 2.514077103202728E-8 -2.511863598446057E-8 -3.944898865750756E-10
peri -3.271647430278112E-13 8.460490555060668E-13 4.17502791558741E-9 -2.511863598446057E-8 2.613889987548208E-8 3.945297483234267E-10
i -8.163210197117368E-17 2.045006769291132E-16 9.61290762963991E-13 -3.944898865750756E-10 3.945297483234267E-10 2.973257918386548E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436275  
rotation period rot_per 15.79 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

70554 (1999 TS139)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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