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344139 (2000 GX139)
Classification: Main-belt Asteroid          SPK-ID: 2344139
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801261920461333 7.8532e-08  
a 2.340551544336505 1.467e-08 au
q 1.918956907367474 1.7954e-07 au
i 6.13009977967903 6.5055e-06 deg
node 69.02241902974542 6.3265e-05 deg
peri 144.6561322835045 6.505e-05 deg
M 218.0991985756896 1.5261e-05 deg
tp 2459516.034921436314
(2021-Oct-28.53492144)
5.6598e-05 TDB
period 1307.903618966293
3.58
1.2296e-05
3.366e-08
d
yr
n .2752496397896104 2.5877e-09 deg/d
Q 2.762146181305536 1.7312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:23:10  

Additional Information
 Earth MOID = .915855 au 
 Jupiter MOID = 2.21045 au 
 T_jup = 3.535 
[ 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 17.2   n/a MPO494801  
diameter diameter 2.420 km 0.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344139 (2000 GX139)          Discovered 2000-Apr-04 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2000 GX139 = 2005 VT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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