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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09951932558234575 4.1113e-08  
a 2.378087272564129 1.0425e-08 au
q 2.141421631022587 1.0242e-07 au
i 9.063065894450679 4.1136e-06 deg
node 226.2130364844075 2.3971e-05 deg
peri 44.77741816924658 3.3644e-05 deg
M 300.9095277258049 2.6374e-05 deg
tp 2459220.364478503891
(2021-Jan-05.86447850)
9.8825e-05 TDB
period 1339.49195555789
3.67
8.808e-06
2.411e-08
d
yr
n .2687586129250492 1.7672e-09 deg/d
Q 2.614752914105671 1.1462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:18  

Additional Information
 Earth MOID = 1.13611 au 
 Jupiter MOID = 2.45195 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002094341755149 4.1111e-08  
q 2.139646924197095 1.0248e-07 au
tp 2456539.538718062817
(2013-Sep-04.03871806)
9.0605e-05 TDB
node 226.2779999770312 2.3992e-05 deg
peri 44.40284847929785 3.3504e-05 deg
i 9.05924204021545 4.1121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:18  

Additional Information
 Jupiter MOID = 2.45195 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.690089791846932E-15 -4.198935792672006E-15 -1.350377559563891E-12 -5.023476779700761E-15 -3.022464664513559E-13 2.712569322474918E-16
q -4.198935792672006E-15 1.050154352044715E-14 3.497812389699519E-12 1.356323184363277E-14 7.942692067606504E-13 -3.555417575456941E-16
tp -1.350377559563891E-12 3.497812389699519E-12 8.209340453253792E-9 1.543977839635787E-11 2.128797885539482E-9 8.739383984445235E-12
node -5.023476779700761E-15 1.356323184363277E-14 1.543977839635787E-11 5.756091477142297E-10 -5.640177678241319E-10 -1.628462960301207E-11
peri -3.022464664513559E-13 7.942692067606504E-13 2.128797885539482E-9 -5.640177678241319E-10 1.122534734049875E-9 1.842077538181544E-11
i 2.712569322474918E-16 -3.555417575456941E-16 8.739383984445235E-12 -1.628462960301207E-11 1.842077538181544E-11 1.690941758329824E-11

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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