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118021 (2035 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06801418472737557 4.4798e-08  
a 2.221340152254197 8.819e-09 au
q 2.070257512796444 1.0111e-07 au
i 1.702752437823499 5.7104e-06 deg
node 179.6749952801221 0.00013422 deg
peri 124.1730341984467 0.00013949 deg
M 89.28922022691455 3.7218e-05 deg
tp 2458700.571623562678
(2019-Aug-05.07162356)
0.00012522 TDB
period 1209.263730190906
3.31
7.2014e-06
1.972e-08
d
yr
n .2977018089702954 1.7729e-09 deg/d
Q 2.372422791711951 9.4188e-09 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      17200 days (47.09 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:41  

Additional Information
 Earth MOID = 1.05557 au 
 Jupiter MOID = 2.74559 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456920.5 (2014-Sep-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0678985359329648 4.4744e-08  
q 2.07140347553803 1.0099e-07 au
tp 2457491.866043168142
(2016-Apr-13.36604317)
0.00012672 TDB
node 179.7152847555884 0.00013429 deg
peri 124.2995610107403 0.00013957 deg
i 1.701648857100276 5.7099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      17200 days (47.09 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:41  

Additional Information
 Jupiter MOID = 2.74559 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.002056483234038E-15 -4.504081366775123E-15 2.168529766915693E-12 4.698527442741426E-15 6.34508538699667E-13 -6.757606878130028E-16
q -4.504081366775123E-15 1.019980841681667E-14 -5.003576929431824E-12 -1.1027199095494E-14 -1.474952676343774E-12 1.4770641080607E-15
tp 2.168529766915693E-12 -5.003576929431824E-12 1.605840889977898E-8 2.729058914374329E-11 4.828913088514919E-9 -1.373073390081637E-12
node 4.698527442741426E-15 -1.1027199095494E-14 2.729058914374329E-11 1.803263133620082E-8 -1.801539926683407E-8 -1.199579885371777E-10
peri 6.34508538699667E-13 -1.474952676343774E-12 4.828913088514919E-9 -1.801539926683407E-8 1.947958627361804E-8 1.195042839619678E-10
i -6.757606878130028E-16 1.4770641080607E-15 -1.373073390081637E-12 -1.199579885371777E-10 1.195042839619678E-10 3.260244374769881E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO338089  

118021 (2035 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2035 T-2 = 2002 DF19 = 2003 UQ161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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