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180661 (2004 GB43)
Classification: Main-belt Asteroid          SPK-ID: 2180661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029484933609831 4.2743e-08  
a 2.646489932508421 1.7809e-08 au
q 2.374037781261669 1.1452e-07 au
i 14.97393421184385 5.0932e-06 deg
node 137.7463670318788 1.8756e-05 deg
peri 114.231473097538 3.2196e-05 deg
M 284.1743146856995 2.637e-05 deg
tp 2459531.720828850690
(2021-Nov-13.22082885)
0.00011516 TDB
period 1572.547585847672
4.31
1.5873e-05
4.346e-08
d
yr
n .2289278895213491 2.3108e-09 deg/d
Q 2.918942083755173 1.9642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:08:53  

Additional Information
 Earth MOID = 1.39926 au 
 Jupiter MOID = 2.29089 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457495.5 (2016-Apr-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041258218336956 4.2636e-08  
q 2.370580851810923 1.1443e-07 au
tp 2457958.090151316625
(2017-Jul-23.59015132)
0.00011491 TDB
node 137.8037970498104 1.8743e-05 deg
peri 114.0308062968192 3.197e-05 deg
i 14.980682422589 5.0959e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:08:53  

Additional Information
 Jupiter MOID = 2.29089 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.817827154133265E-15 -4.831823616283327E-15 -1.176466174317863E-12 -3.070483029127181E-15 -2.105287829058302E-13 -6.560961203385792E-15
q -4.831823616283327E-15 1.309474857896421E-14 2.889840110872892E-12 8.368638599330957E-15 4.903430113741787E-13 1.842169917785651E-14
tp -1.176466174317863E-12 2.889840110872892E-12 1.320478049677645E-8 6.890465409940838E-12 2.99626201492836E-9 1.25097811430565E-11
node -3.070483029127181E-15 8.368638599330957E-15 6.890465409940838E-12 3.512872635761208E-10 -3.377429232150085E-10 2.294546379856439E-11
peri -2.105287829058302E-13 4.903430113741787E-13 2.99626201492836E-9 -3.377429232150085E-10 1.022102124672729E-9 -1.954871718336366E-11
i -6.560961203385792E-15 1.842169917785651E-14 1.25097811430565E-11 2.294546379856439E-11 -1.954871718336366E-11 2.596777464457866E-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 16.03   n/a MPCxxxxx  

180661 (2004 GB43)          Discovered 2004-Apr-15 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 GB43 = 1999 CC142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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