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26867 (1993 GK1)
Classification: Main-belt Asteroid          SPK-ID: 2026867
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650215815688046 3.9665e-08  
a 2.400859703819562 8.4279e-09 au
q 2.004666038370447 9.342e-08 au
i 1.933755476412943 4.1613e-06 deg
node 324.5368561130418 8.4944e-05 deg
peri 211.7252408235895 8.5389e-05 deg
M 123.3409965890998 9.5866e-06 deg
tp 2458534.963697439956
(2019-Feb-20.46369744)
3.5475e-05 TDB
period 1358.778293967724
3.72
7.1548e-06
1.959e-08
d
yr
n .2649438849576967 1.3951e-09 deg/d
Q 2.797053369268678 9.8187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      10050 days (27.52 yr)  
   first obs. used      1993-04-12  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:26:32  

Additional Information
 Earth MOID = 1.00935 au 
 Jupiter MOID = 2.17001 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645054430566943 3.9663e-08  
q 2.005445099927139 9.3256e-08 au
tp 2457175.357108243214
(2015-Jun-01.85710824)
3.4337e-05 TDB
node 324.6111187260811 8.5012e-05 deg
peri 211.4390403971384 8.5459e-05 deg
i 1.933086860680313 4.1594e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      10050 days (27.52 yr)  
   first obs. used      1993-04-12  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:26:32  

Additional Information
 Jupiter MOID = 2.17001 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.573122584537613E-15 -3.689289899195949E-15 -3.536917474679101E-13 -3.882219764481133E-15 -7.472910437868162E-14 -4.782685669908057E-16
q -3.689289899195949E-15 8.696615696799614E-15 8.650675997568771E-13 8.646582009189499E-15 1.87124055643504E-13 1.191131494146945E-15
tp -3.536917474679101E-13 8.650675997568771E-13 1.179012502753583E-9 2.973276062331391E-12 3.049456720688341E-10 4.002565343280965E-13
node -3.882219764481133E-15 8.646582009189499E-15 2.973276062331391E-12 7.227041011315965E-9 -7.221934388692718E-9 6.516837255041253E-11
peri -7.472910437868162E-14 1.87124055643504E-13 3.049456720688341E-10 -7.221934388692718E-9 7.303176271369619E-9 -6.503374700471393E-11
i -4.782685669908057E-16 1.191131494146945E-15 4.002565343280965E-13 6.516837255041253E-11 -6.503374700471393E-11 1.73009329497857E-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 15.3   n/a MPO337486  
rotation period rot_per 4.38 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

26867 (1993 GK1)          Discovered 1993-Apr-12 by Debehogne, H. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 GK1 = 1994 PG10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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