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108129 (2001 GK8)
Classification: Main-belt Asteroid          SPK-ID: 2108129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057516255790301 3.7903e-08  
a 2.28401930846898 1.0257e-08 au
q 2.042480553744494 8.5881e-08 au
i 7.131070587654473 4.1694e-06 deg
node 109.0323317304208 3.9195e-05 deg
peri 172.2715992119082 4.5775e-05 deg
M 133.2198851000275 2.3689e-05 deg
tp 2458533.932334803048
(2019-Feb-19.43233480)
8.2468e-05 TDB
period 1260.805467177724
3.45
8.4931e-06
2.325e-08
d
yr
n .2855317567791401 1.9234e-09 deg/d
Q 2.525558063193467 1.1342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      6796 days (18.61 yr)  
   first obs. used      2001-03-21  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:42:24  

Additional Information
 Earth MOID = 1.02625 au 
 Jupiter MOID = 2.58637 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456874.5 (2014-Aug-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056197666426838 3.777e-08  
q 2.042929262963509 8.5488e-08 au
tp 2457274.006059770345
(2015-Sep-08.50605977)
8.2186e-05 TDB
node 109.0654639261784 3.9212e-05 deg
peri 172.451369628593 4.5856e-05 deg
i 7.129396122898318 4.1681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      6796 days (18.61 yr)  
   first obs. used      2001-03-21  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:42:24  

Additional Information
 Jupiter MOID = 2.58637 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.426542241195229E-15 -3.21035538696185E-15 -8.451036476641541E-13 -1.384941682490077E-14 -2.376931291209994E-13 -1.881526422297356E-15
q -3.21035538696185E-15 7.308148946509825E-15 1.945578370847018E-12 3.130835123428375E-14 5.401171684292991E-13 4.373632866584759E-15
tp -8.451036476641541E-13 1.945578370847018E-12 6.754547275227369E-9 5.954913028713748E-11 1.977298493773642E-9 4.977073695980119E-13
node -1.384941682490077E-14 3.130835123428375E-14 5.954913028713748E-11 1.537605937831339E-9 -1.507735263619031E-9 -3.804338996824828E-11
peri -2.376931291209994E-13 5.401171684292991E-13 1.977298493773642E-9 -1.507735263619031E-9 2.102804076246282E-9 3.790587400856895E-11
i -1.881526422297356E-15 4.373632866584759E-15 4.977073695980119E-13 -3.804338996824828E-11 3.790587400856895E-11 1.737334057124167E-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 16.3   n/a MPO436519  

108129 (2001 GK8)          Discovered 2001-Apr-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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