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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009412517389686 3.9379e-08  
a 2.16599683109642 6.3692e-09 au
q 1.947358399702908 8.6711e-08 au
i 3.235452718599782 3.8841e-06 deg
node 214.9596421199523 5.9375e-05 deg
peri 154.3817175688588 6.1167e-05 deg
M 283.0323910911675 1.4871e-05 deg
tp 2459249.437684913817
(2021-Feb-03.93768491)
4.8357e-05 TDB
period 1164.354302277018
3.19
5.1358e-06
1.406e-08
d
yr
n .3091842399654313 1.3638e-09 deg/d
Q 2.384635262489932 7.0122e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:30:38  

Additional Information
 Earth MOID = .947245 au 
 Jupiter MOID = 3.00632 au 
 T_jup = 3.684 
[ 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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