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117808 (2005 GM178)
Classification: Main-belt Asteroid          SPK-ID: 2117808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .08902234490080627 4.9769e-08  
a 2.790932873567122 1.8726e-08 au
q 2.542477484701431 1.3252e-07 au
i 6.995570358574999 4.5095e-06 deg
node 145.2144689813167 3.1084e-05 deg
peri 33.67369424545817 3.7927e-05 deg
M 166.8018168618296 2.3044e-05 deg
tp 2458411.420447498826
(2018-Oct-19.92044750)
0.00010685 TDB
period 1703.03084369717
4.66
1.714e-05
4.693e-08
d
yr
n .2113878332458519 2.1275e-09 deg/d
Q 3.039388262432813 2.0393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7578 days (20.75 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:57  

Additional Information
 Earth MOID = 1.54979 au 
 Jupiter MOID = 1.92876 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457443.5 (2016-Feb-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08659637654715417 4.9793e-08  
q 2.550946991163655 1.3229e-07 au
tp 2456703.921247875958
(2014-Feb-15.42124788)
0.00010713 TDB
node 145.3252487484511 3.1161e-05 deg
peri 33.23779366244098 3.8335e-05 deg
i 6.984578415629736 4.5029e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7578 days (20.75 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:57  

Additional Information
 Jupiter MOID = 1.92876 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.4793516037588E-15 -6.542604724697996E-15 1.901797632194722E-13 7.153850653693689E-15 -2.541439706900064E-14 -2.66428166031486E-15
q -6.542604724697996E-15 1.750117387236542E-14 -3.709868228187838E-13 -1.799828197228721E-14 1.128540922654606E-13 7.320450564044163E-15
tp 1.901797632194722E-13 -3.709868228187838E-13 1.147785834222455E-8 -5.031422499009679E-12 2.400114259323909E-9 -4.539633098726502E-12
node 7.153850653693689E-15 -1.799828197228721E-14 -5.031422499009679E-12 9.710311182529825E-10 -9.64635714365454E-10 1.072465277583388E-11
peri -2.541439706900064E-14 1.128540922654606E-13 2.400114259323909E-9 -9.64635714365454E-10 1.469575345449841E-9 -1.15239598743244E-11
i -2.66428166031486E-15 7.320450564044163E-15 -4.539633098726502E-12 1.072465277583388E-11 -1.15239598743244E-11 2.027648021068841E-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 15.54   n/a E2021B55  

117808 (2005 GM178)          Discovered 2005-Apr-15 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 GM178 = 2002 TT341 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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