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26944 (1997 GX20)
Classification: Main-belt Asteroid          SPK-ID: 2026944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013118351669858 4.2665e-08  
a 2.165013524164945 6.6061e-09 au
q 1.945672030870451 9.3099e-08 au
i 3.236631181843534 4.2279e-06 deg
node 214.9768984291828 6.1554e-05 deg
peri 154.6061846760846 6.3262e-05 deg
M 159.0674183016477 1.475e-05 deg
tp 2458086.375761875746
(2017-Nov-28.87576188)
4.7287e-05 TDB
period 1163.561511847422
3.19
5.3256e-06
1.458e-08
d
yr
n .3093949020610153 1.4161e-09 deg/d
Q 2.384355017459439 7.2754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:00:50  

Additional Information
 Earth MOID = .944775 au 
 Jupiter MOID = 3.00894 au 
 T_jup = 3.685 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO263578  
diameter diameter 2.000 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26944 (1997 GX20)          Discovered 1997-Apr-06 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GX20 = 1998 SA54 = 1998 UX43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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