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17802 (1998 FA71)
Classification: Main-belt Asteroid          SPK-ID: 2017802
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0460139237533583 5.0479e-08  
a 3.161273901266964 1.9173e-08 au
q 3.015811285010584 1.5919e-07 au
i 15.56363785030415 6.577e-06 deg
node 18.44047935636181 1.3523e-05 deg
peri 27.09068731447666 5.6245e-05 deg
M 129.3382709264595 5.3955e-05 deg
tp 2458262.908054287592
(2018-May-24.40805429)
0.00030695 TDB
period 2053.01260450162
5.62
1.8677e-05
5.113e-08
d
yr
n .1753520651605507 1.5953e-09 deg/d
Q 3.306736517523344 2.0056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1987  
   data-arc span      14339 days (39.26 yr)  
   first obs. used      1981-03-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:15:05  

Additional Information
 Earth MOID = 2.02838 au 
 Jupiter MOID = 1.91441 au 
 T_jup = 3.146 
[ 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 12.8   n/a MPO502304  
diameter diameter 15.627 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17802 (1998 FA71)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FA71 = 1981 EA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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