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70552 (1999 TF139)
Classification: Main-belt Asteroid          SPK-ID: 2070552
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06594442567113001 4.2046e-08  
a 2.796460638189524 1.463e-08 au
q 2.612049647492194 1.1711e-07 au
i .7812655988140579 4.8127e-06 deg
node 308.3855719269532 0.00028929 deg
peri 175.93528078 0.00029155 deg
M 99.86090271739839 3.463e-05 deg
tp 2458726.689719175986
(2019-Aug-31.18971918)
0.00016427 TDB
period 1708.09292180499
4.68
1.3404e-05
3.67e-08
d
yr
n .2107613674902287 1.654e-09 deg/d
Q 2.980871628886854 1.5595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      10272 days (28.12 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:10  

Additional Information
 Earth MOID = 1.62743 au 
 Jupiter MOID = 2.05058 au 
 T_jup = 3.324 
[ 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 15.45   n/a E2021B10  
diameter diameter 3.379 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70552 (1999 TF139)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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