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213515 (2002 GX138)
Classification: Outer Main-belt Asteroid          SPK-ID: 2213515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06588141065531859 5.6784e-08  
a 3.478455463731972 3.4826e-08 au
q 3.249289910879609 2.0493e-07 au
i 11.27786214325178 6.4326e-06 deg
node 149.9663912302844 2.2127e-05 deg
peri 357.0678886552589 4.1494e-05 deg
M 355.6332649525492 3.3945e-05 deg
tp 2459229.243022761468
(2021-Jan-14.74302276)
0.00022343 TDB
period 2369.616677377513
6.49
3.5587e-05
9.743e-08
d
yr
n .1519233061772746 2.2816e-09 deg/d
Q 3.707621016584334 3.712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7415 days (20.30 yr)  
   first obs. used      2000-12-30  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:27  

Additional Information
 Earth MOID = 2.26075 au 
 Jupiter MOID = 1.29091 au 
 T_jup = 3.096 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a MPCxxxxx  
diameter diameter 6.347 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213515 (2002 GX138)          Discovered 2002-Apr-13 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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