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100559 (1997 GO9)
Classification: Main-belt Asteroid          SPK-ID: 2100559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09371084949758249 3.3821e-08  
a 2.549494125385613 1.1383e-08 au
q 2.310578865106631 8.8498e-08 au
i 3.630751211775705 4.3579e-06 deg
node 335.1013532307707 5.3437e-05 deg
peri 286.1901423591779 5.8242e-05 deg
M 239.1420816741868 2.4255e-05 deg
tp 2459699.674117852563
(2022-Apr-30.17411785)
0.00010149 TDB
period 1486.892087140484
4.07
9.9578e-06
2.726e-08
d
yr
n .2421157548106493 1.6215e-09 deg/d
Q 2.788409385664595 1.2449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      8751 days (23.96 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:47  

Additional Information
 Earth MOID = 1.29664 au 
 Jupiter MOID = 2.27112 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457172.5 (2015-May-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09461008827415769 3.378e-08  
q 2.307600771997918 8.8454e-08 au
tp 2456728.098100198673
(2014-Mar-11.59810020)
9.4412e-05 TDB
node 335.1818053022181 5.3382e-05 deg
peri 286.4545020635067 5.8113e-05 deg
i 3.633753675930285 4.3596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      8751 days (23.96 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:47  

Additional Information
 Jupiter MOID = 2.27112 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.141084868065244E-15 -2.968348810978751E-15 1.040408907915225E-12 -1.0450707851752E-14 2.569380081843682E-13 3.022880330358917E-17
q -2.968348810978751E-15 7.824103860235224E-15 -2.442574748604863E-12 2.642334736881956E-14 -5.995975156769088E-13 5.620662977477471E-17
tp 1.040408907915225E-12 -2.442574748604863E-12 8.913602894981343E-9 -1.320610553943901E-11 2.178274470046723E-9 -2.679224187925901E-12
node -1.0450707851752E-14 2.642334736881956E-14 -1.320610553943901E-11 2.849669590817683E-9 -2.846862083039514E-9 -5.551759234164977E-11
peri 2.569380081843682E-13 -5.995975156769088E-13 2.178274470046723E-9 -2.846862083039514E-9 3.377142994483607E-9 5.478272044964838E-11
i 3.022880330358917E-17 5.620662977477471E-17 -2.679224187925901E-12 -5.551759234164977E-11 5.478272044964838E-11 1.900620028154123E-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 15.77   n/a MPCxxxxx  

100559 (1997 GO9)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 GO9 = 1998 SH166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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