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70559 (1999 TD143)
Classification: Main-belt Asteroid          SPK-ID: 2070559
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589578567128172 1.6083e-08  
a 2.28780197396228 6.2863e-09 au
q 1.924137875597884 3.7206e-08 au
i 8.065301741341516 1.0678e-06 deg
node 22.09880459902724 6.6423e-06 deg
peri 305.3109229706426 6.629e-06 deg
M 69.89147884833609 4.715e-06 deg
tp 2458955.115118596395
(2020-Apr-15.61511860)
1.6319e-05 TDB
period 1263.938877255575
3.46
5.2095e-06
1.426e-08
d
yr
n .2848238996981229 1.1739e-09 deg/d
Q 2.651466072326676 7.2856e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2075  
   data-arc span      8408 days (23.02 yr)  
   first obs. used      1998-02-28  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:29  

Additional Information
 Earth MOID = .924847 au 
 Jupiter MOID = 2.71456 au 
 T_jup = 3.571 
[ 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 14.37   n/a E2021B10  
rotation period rot_per 6.446 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

70559 (1999 TD143)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TD143 = 1998 FR45 = 1999 XY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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