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17699 (1997 GX7)
Classification: Main-belt Asteroid          SPK-ID: 2017699
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 .183890198903165 3.7063e-08  
a 3.179830247323807 1.9065e-08 au
q 2.595090630665132 1.2026e-07 au
i 2.410789235172824 3.7529e-06 deg
node 100.7379430263931 0.00010797 deg
peri 326.9246144307965 0.00010874 deg
M 204.879977795859 1.6116e-05 deg
tp 2460092.920809352526
(2023-May-28.42080935)
9.901e-05 TDB
period 2071.115558145742
5.67
1.8626e-05
5.1e-08
d
yr
n .1738193692689489 1.5632e-09 deg/d
Q 3.764569863982482 2.257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      17361 days (47.53 yr)  
   first obs. used      1973-01-01  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:24  

Additional Information
 Earth MOID = 1.609 au 
 Jupiter MOID = 1.54703 au 
 T_jup = 3.172 
[ 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 13.74   n/a E2021B10  
diameter diameter 9.355 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.909 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.061   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17699 (1997 GX7)          Discovered 1997-Apr-02 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 GX7 = 1973 AJ1 = 1996 JZ1 = 1997 GT21 = 1997 JP18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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