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70557 (1999 TF141)
Classification: Main-belt Asteroid          SPK-ID: 2070557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170736605123042 4.6102e-08  
a 2.681948926189327 1.7509e-08 au
q 2.367963348093299 1.2314e-07 au
i 16.44062023206436 5.2742e-06 deg
node 28.98717090157285 1.8236e-05 deg
peri 79.23800001087039 3.1261e-05 deg
M 193.014081605494 2.3773e-05 deg
tp 2459744.634654514245
(2022-Jun-14.13465451)
0.00010655 TDB
period 1604.257881148031
4.39
1.571e-05
4.301e-08
d
yr
n .2244028246520931 2.1976e-09 deg/d
Q 2.995934504285355 1.9559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8458 days (23.16 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:36:13  

Additional Information
 Earth MOID = 1.4472 au 
 Jupiter MOID = 2.24787 au 
 T_jup = 3.308 
[ 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 15.0   n/a MPO474584  
diameter diameter 3.165 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70557 (1999 TF141)          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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