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117801 (2005 GX166)
Classification: Main-belt Asteroid          SPK-ID: 2117801
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602165967894522 3.4436e-08  
a 2.394140728037728 1.0264e-08 au
q 2.010559648356502 8.3904e-08 au
i 1.423962437637602 4.3705e-06 deg
node 175.5119744000773 0.00015746 deg
peri 98.45678021453266 0.00015837 deg
M 345.6349218061729 1.45e-05 deg
tp 2459054.491877843100
(2020-Jul-23.99187784)
5.441e-05 TDB
period 1353.078330744375
3.70
8.7013e-06
2.382e-08
d
yr
n .2660599847179222 1.711e-09 deg/d
Q 2.777721807718955 1.1909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      8587 days (23.51 yr)  
   first obs. used      1997-02-11  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:16:08  

Additional Information
 Earth MOID = .994842 au 
 Jupiter MOID = 2.32684 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457115.5 (2015-Apr-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16038109549176 3.4495e-08  
q 2.010275298722389 8.4041e-08 au
tp 2457700.096488144494
(2016-Nov-07.59648814)
5.6986e-05 TDB
node 175.5621326581886 0.00015777 deg
peri 98.14084019497514 0.00015867 deg
i 1.421675315869503 4.3684e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      8587 days (23.51 yr)  
   first obs. used      1997-02-11  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:16:08  

Additional Information
 Jupiter MOID = 2.32684 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.189935538018824E-15 -2.884162345082505E-15 -1.335273787263104E-13 -3.022299328757571E-15 -9.755062475228965E-16 -8.376275849703046E-16
q -2.884162345082505E-15 7.062915212724069E-15 1.431407555468263E-13 8.742117970414945E-15 -5.870857624119801E-14 2.085439606208794E-15
tp -1.335273787263104E-13 1.431407555468263E-13 3.247429522568867E-9 -4.246364396134178E-12 9.714413821617094E-10 7.47298986926022E-13
node -3.022299328757571E-15 8.742117970414945E-15 -4.246364396134178E-12 2.489146947396323E-8 -2.488523812657833E-8 9.382404496970176E-11
peri -9.755062475228965E-16 -5.870857624119801E-14 9.714413821617094E-10 -2.488523812657833E-8 2.517743478032154E-8 -9.363520156156445E-11
i -8.376275849703046E-16 2.085439606208794E-15 7.47298986926022E-13 9.382404496970176E-11 -9.363520156156445E-11 1.908293187743795E-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 16.7   n/a MPO426743  

117801 (2005 GX166)          Discovered 2005-Apr-11 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2005 GX166 = 2002 TR252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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