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120138 (2003 GB17)
Classification: Main-belt Asteroid          SPK-ID: 2120138
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296379392041409 5.8131e-08  
a 3.175465650933123 3.8271e-08 au
q 2.763804827932617 2.0229e-07 au
i 13.8497469234421 5.8739e-06 deg
node 274.5568058406219 2.9784e-05 deg
peri 354.4961143898945 4.0841e-05 deg
M 336.6546657511502 2.8631e-05 deg
tp 2459334.531584400166
(2021-Apr-30.03158440)
0.00016511 TDB
period 2066.852839617716
5.66
3.7365e-05
1.023e-07
d
yr
n .1741778578036477 3.1488e-09 deg/d
Q 3.587126473933629 4.3232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:15  

Additional Information
 Earth MOID = 1.74616 au 
 Jupiter MOID = 1.54424 au 
 T_jup = 3.143 
[ 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 14.45   n/a E2021B55  
diameter diameter 6.514 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120138 (2003 GB17)          Discovered 2003-Apr-05 by NEAT at Haleakala
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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