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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104447297810458 2.732e-08  
a 2.431595547011786 7.43e-09 au
q 1.919879079184097 6.7957e-08 au
i 6.291854958518264 4.4102e-06 deg
node 192.1344939235858 2.4167e-05 deg
peri 249.0815120715962 2.6769e-05 deg
M 25.45015124602873 9.9323e-06 deg
tp 2458902.590844914662
(2020-Feb-23.09084491)
3.8206e-05 TDB
period 1384.954277480833
3.79
6.3478e-06
1.738e-08
d
yr
n .2599363790224347 1.1914e-09 deg/d
Q 2.943312014839476 8.9935e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1807  
   data-arc span      13973 days (38.26 yr)  
   first obs. used      1981-11-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46838  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:12:07  

Additional Information
 Earth MOID = .945982 au 
 Jupiter MOID = 2.34143 au 
 T_jup = 3.468 
[ 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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