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17897 Gallardo (1999 FV8)
Classification: Main-belt Asteroid          SPK-ID: 2017897
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128868290643566 3.9655e-08  
a 2.395162037031594 7.7055e-09 au
q 2.086501599504971 9.7e-08 au
i 1.519340166489171 3.8372e-06 deg
node 24.91921817420442 0.00013108 deg
peri 177.7709786419532 0.00013179 deg
M 287.6258261650268 1.4869e-05 deg
tp 2459472.696097652452
(2021-Sep-15.19609765)
5.6316e-05 TDB
period 1353.944231243587
3.71
6.5337e-06
1.789e-08
d
yr
n .2658898289107098 1.2831e-09 deg/d
Q 2.703822474558216 8.6985e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      12023 days (32.92 yr)  
   first obs. used      1988-04-13  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:26  

Additional Information
 Earth MOID = 1.08226 au 
 Jupiter MOID = 2.25307 au 
 T_jup = 3.518 
[ 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 15.08   n/a E2021B10  
diameter diameter 2.926 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17897 Gallardo           Discovered 1999 Mar. 19 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Tabaré Gallardo (b. 1962) is a dynamicist at the astronomy department of the University of the Republic, Montevideo. He works on the dynamics of minor bodies, transneptunian objects and extrasolar planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1999 FV8 = 1988 GH2 = 1993 SR14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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