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70521 (1999 TF109)
Classification: Main-belt Asteroid          SPK-ID: 2070521
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 .09951932518533819 4.113e-08  
a 2.378087272346472 1.044e-08 au
q 2.141421631770709 1.0244e-07 au
i 9.063065844758693 4.1163e-06 deg
node 226.2130358976043 2.4036e-05 deg
peri 44.77741842568456 3.3689e-05 deg
M 300.9095281831867 2.6389e-05 deg
tp 2459220.364476771875
(2021-Jan-05.86447677)
9.8883e-05 TDB
period 1339.491955373992
3.67
8.8208e-06
2.415e-08
d
yr
n .2687586129619468 1.7698e-09 deg/d
Q 2.614752912922234 1.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      10553 days (28.89 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:39:15  

Additional Information
 Earth MOID = 1.13611 au 
 Jupiter MOID = 2.45195 au 
 T_jup = 3.517 
[ 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 15.7   n/a MPO468645  
diameter diameter 2.766 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70521 (1999 TF109)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TF109 = 2002 JB34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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