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180160 (2003 GR54)
Classification: Main-belt Asteroid          SPK-ID: 2180160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06065402954848513 3.2907e-08  
a 2.989177468759535 1.8705e-08 au
q 2.807871810243728 9.6089e-08 au
i 7.438417017559448 4.1461e-06 deg
node 165.1324608057217 2.7114e-05 deg
peri 96.19315760761322 5.199e-05 deg
M 88.50758946133693 4.1701e-05 deg
tp 2458736.408099610901
(2019-Sep-09.90809961)
0.00022012 TDB
period 1887.669579037161
5.17
1.7719e-05
4.851e-08
d
yr
n .1907113427041741 1.7901e-09 deg/d
Q 3.170483127275342 1.984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      8264 days (22.63 yr)  
   first obs. used      1998-04-25  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:23  

Additional Information
 Earth MOID = 1.80366 au 
 Jupiter MOID = 1.88676 au 
 T_jup = 3.241 
[ 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 15.59   n/a E2021B55  

180160 (2003 GR54)          Discovered 2003-Apr-03 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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