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185863 (2000 GK169)
Classification: Inner Main-belt Asteroid          SPK-ID: 2185863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04786123261945917 4.0211e-08  
a 1.91112582986524 7.7879e-09 au
q 1.819656991957002 7.5111e-08 au
i 21.28262329699676 6.482e-06 deg
node 198.8264501882695 1.1217e-05 deg
peri 82.50052009699102 8.3864e-05 deg
M 145.263644875142 7.8893e-05 deg
tp 2458611.108213611820
(2019-May-07.60821361)
0.00021238 TDB
period 965.0111920311106
2.64
5.8986e-06
1.615e-08
d
yr
n .3730526681688414 2.2803e-09 deg/d
Q 2.002594667773477 8.1606e-09 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7814 days (21.39 yr)  
   first obs. used      1998-09-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:11:09  

Additional Information
 Earth MOID = .875312 au 
 Jupiter MOID = 3.0304 au 
 T_jup = 3.851 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457272.5 (2015-Sep-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0479647399410619 4.021e-08  
q 1.819584604317809 7.5163e-08 au
tp 2457645.976468601003
(2016-Sep-14.47646860)
0.00021434 TDB
node 198.8489761886257 1.1215e-05 deg
peri 82.42787009682846 8.3693e-05 deg
i 21.28310095000069 6.4824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7814 days (21.39 yr)  
   first obs. used      1998-09-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:11:09  

Additional Information
 Jupiter MOID = 3.0304 au 
 T_jup = 3.851 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.61680852977548E-15 -3.008713359892397E-15 -3.823016901691181E-12 -7.238153997153747E-16 -1.486737136838893E-12 -4.15600112320538E-15
q -3.008713359892397E-15 5.649539025960206E-15 6.670393089012883E-12 1.57861128399355E-15 2.587097095683762E-12 8.283538981246437E-15
tp -3.823016901691181E-12 6.670393089012883E-12 4.594361317276661E-8 -4.069046750991216E-11 1.778443567788444E-8 -6.630667178413097E-11
node -7.238153997153747E-16 1.57861128399355E-15 -4.069046750991216E-11 1.257745557436393E-10 -1.31672722707306E-10 1.530183807098921E-11
peri -1.486737136838893E-12 2.587097095683762E-12 1.778443567788444E-8 -1.31672722707306E-10 7.004479347524113E-9 -3.961112567518893E-11
i -4.15600112320538E-15 8.283538981246437E-15 -6.630667178413097E-11 1.530183807098921E-11 -3.961112567518893E-11 4.20210754864128E-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 17.3   n/a MPO436918  

185863 (2000 GK169)          Discovered 2000-Apr-02 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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