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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06801418829853054 4.3992e-08  
a 2.221340151421818 8.5825e-09 au
q 2.070257504087929 9.8969e-08 au
i 1.70275177034155 5.4728e-06 deg
node 179.6749980255516 0.00013406 deg
peri 124.1730362760545 0.00013886 deg
M 89.28921602185706 3.5828e-05 deg
tp 2458700.571637856327
(2019-Aug-05.07163786)
0.00012044 TDB
period 1209.263729511204
3.31
7.0083e-06
1.919e-08
d
yr
n .2977018091376273 1.7253e-09 deg/d
Q 2.372422798755708 9.1662e-09 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      17225 days (47.16 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:56  

Additional Information
 Earth MOID = 1.05557 au 
 Jupiter MOID = 2.74559 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456993.5 (2014-Dec-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06798072850648078 4.397e-08  
q 2.07097143563728 9.8921e-08 au
tp 2457492.230066612991
(2016-Apr-13.73006661)
0.00012122 TDB
node 179.7041714170994 0.00013407 deg
peri 124.4343342080338 0.00013888 deg
i 1.702073768092206 5.4732e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      17225 days (47.16 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:56  

Additional Information
 Jupiter MOID = 2.74559 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.933362716573228E-15 -4.335328866206781E-15 1.864439389845737E-12 3.081452424028904E-15 5.385376578415751E-13 -4.522860879480048E-16
q -4.335328866206781E-15 9.785419175782052E-15 -4.263560768443714E-12 -7.209767807222448E-15 -1.241317744253393E-12 9.880686834591122E-16
tp 1.864439389845737E-12 -4.263560768443714E-12 1.469477232041199E-8 2.213441111045212E-11 4.398667644952186E-9 -9.891408956672022E-13
node 3.081452424028904E-15 -7.209767807222448E-15 2.213441111045212E-11 1.797557519463631E-8 -1.795996811237362E-8 -1.091284337746777E-10
peri 5.385376578415751E-13 -1.241317744253393E-12 4.398667644952186E-9 -1.795996811237362E-8 1.92867171695963E-8 1.087990106671047E-10
i -4.522860879480048E-16 9.880686834591122E-16 -9.891408956672022E-13 -1.091284337746777E-10 1.087990106671047E-10 2.99559564236964E-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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