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180161 (2003 GU55)
Classification: Main-belt Asteroid          SPK-ID: 2180161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151830491284396 5.1496e-08  
a 3.149937907185698 2.9439e-08 au
q 2.787118454470793 1.572e-07 au
i 14.94562379103222 6.1916e-06 deg
node 189.8339432500992 1.923e-05 deg
peri 261.1201203555567 3.143e-05 deg
M 172.4471215019449 2.626e-05 deg
tp 2458222.351338596066
(2018-Apr-13.85133860)
0.00014539 TDB
period 2041.979680718791
5.59
2.8626e-05
7.837e-08
d
yr
n .1762995016058522 2.4715e-09 deg/d
Q 3.512757359900602 3.283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7228 days (19.79 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:24  

Additional Information
 Earth MOID = 1.8519 au 
 Jupiter MOID = 1.84264 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457891.5 (2017-May-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165337914417325 5.141e-08  
q 2.783115858448896 1.5693e-07 au
tp 2458223.860738544140
(2018-Apr-15.36073854)
0.00014382 TDB
node 189.8655759676285 1.9224e-05 deg
peri 261.2171234495776 3.1187e-05 deg
i 14.94903518230299 6.1937e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7228 days (19.79 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:24  

Additional Information
 Jupiter MOID = 1.84264 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.642969787177039E-15 -7.962197482869012E-15 -1.911915306375174E-12 -1.169971893554502E-14 -4.212577771699818E-13 3.38562516006145E-15
q -7.962197482869012E-15 2.462656483152808E-14 6.781413615472673E-12 3.540425611350425E-14 1.42045085846276E-12 -8.776131117091287E-15
tp -1.911915306375174E-12 6.781413615472673E-12 2.068381119580595E-8 2.15997412172971E-11 3.555808733054057E-9 -1.00135551119796E-11
node -1.169971893554502E-14 3.540425611350425E-14 2.15997412172971E-11 3.695718115987981E-10 -3.526252414907372E-10 4.936645479081657E-11
peri -4.212577771699818E-13 1.42045085846276E-12 3.555808733054057E-9 -3.526252414907372E-10 9.726192178348367E-10 -4.961409981804166E-11
i 3.38562516006145E-15 -8.776131117091287E-15 -1.00135551119796E-11 4.936645479081657E-11 -4.961409981804166E-11 3.836161310287129E-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 15.39   n/a E2021B55  

180161 (2003 GU55)          Discovered 2003-Apr-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 GU55 = 2000 TG62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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