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JPL Small-Body Database Browser
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17791 (1998 FN54)
Classification: Main-belt Asteroid          SPK-ID: 2017791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102932915730981 2.7358e-08  
a 2.431071330542759 7.5626e-09 au
q 1.919833338393931 6.8069e-08 au
i 6.292365837727133 4.7024e-06 deg
node 192.1388970915641 2.4521e-05 deg
peri 249.1253922708403 2.7181e-05 deg
M 281.4161998518049 1.0412e-05 deg
tp 2458902.721603358358
(2020-Feb-23.22160336)
4.0103e-05 TDB
period 1384.506437762388
3.79
6.4604e-06
1.769e-08
d
yr
n .2600204594077763 1.2133e-09 deg/d
Q 2.942309322691587 9.1529e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      13911 days (38.09 yr)  
   first obs. used      1981-11-03  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:22:45  

Additional Information
 Earth MOID = .945836 au 
 Jupiter MOID = 2.34256 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO502304  
diameter diameter 5.659 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17791 (1998 FN54)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FN54 = 1981 VM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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