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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04587922747656749 5.7081e-08  
a 3.162571090065359 2.2023e-08 au
q 3.017474771613434 1.8529e-07 au
i 15.5612667810358 7.3529e-06 deg
node 18.4527992308948 1.4425e-05 deg
peri 27.58749509000008 5.6995e-05 deg
M 58.71958637548428 5.4371e-05 deg
tp 2458265.427058090444
(2018-May-26.92705809)
0.00030995 TDB
period 2054.276375792085
5.62
2.1458e-05
5.875e-08
d
yr
n .1752441902376411 1.8305e-09 deg/d
Q 3.307667408517284 2.3033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      14137 days (38.70 yr)  
   first obs. used      1981-03-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51143  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:45:25  

Additional Information
 Earth MOID = 2.02968 au 
 Jupiter MOID = 1.91339 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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