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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128999072201535 5.0842e-08  
a 2.394859517974101 1.0622e-08 au
q 2.085924862102427 1.1951e-07 au
i 1.519402759852625 5.4846e-06 deg
node 24.924640171826 0.00013223 deg
peri 177.811200717112 0.00013298 deg
M 234.4081114450183 1.6555e-05 deg
tp 2459472.756105634702
(2021-Sep-15.25610563)
6.3837e-05 TDB
period 1353.68772605139
3.71
9.0062e-06
2.466e-08
d
yr
n .2659402113736336 1.7693e-09 deg/d
Q 2.703794173845775 1.1992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      11618 days (31.81 yr)  
   first obs. used      1988-04-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:52  

Additional Information
 Earth MOID = 1.08251 au 
 Jupiter MOID = 2.25423 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 15.1   n/a MPO502305  
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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