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118362 (1999 FS17)
Classification: Main-belt Asteroid          SPK-ID: 2118362
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635666517326645 6.656e-08  
a 2.569862526034823 1.7154e-08 au
q 2.14951871723806 1.7961e-07 au
i 8.488042063133818 5.6615e-06 deg
node 21.9797756342914 2.3228e-05 deg
peri 358.4434768984097 2.5325e-05 deg
M 275.514660821296 1.114e-05 deg
tp 2459553.636099121951
(2021-Dec-05.13609912)
4.8174e-05 TDB
period 1504.746230763167
4.12
1.5066e-05
4.125e-08
d
yr
n .2392429983475803 2.3954e-09 deg/d
Q 2.990206334831587 1.9959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1999-03-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:55  

Additional Information
 Earth MOID = 1.15087 au 
 Jupiter MOID = 2.47201 au 
 T_jup = 3.396 
[ 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 14.83   n/a E2021B55  
diameter diameter 2.259 km 0.422 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.188 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 0.456   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118362 (1999 FS17)          Discovered 1999-Mar-23 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 FS17 = 2001 TX41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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