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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210464597160182 1.6812e-08  
a 2.431349843819666 7.0765e-09 au
q 1.919636778384689 4.2166e-08 au
i 6.292375475029139 8.9905e-07 deg
node 192.1301496577114 3.864e-06 deg
peri 249.0490101696658 6.3454e-06 deg
M 77.46983124185184 4.3953e-06 deg
tp 2458902.511354486344
(2020-Feb-23.01135449)
1.6497e-05 TDB
period 1384.744366487819
3.79
6.0455e-06
1.655e-08
d
yr
n .2599757823265836 1.135e-09 deg/d
Q 2.943062909254643 8.5659e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2058  
   data-arc span      14377 days (39.36 yr)  
   first obs. used      1981-11-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:13:15  

Additional Information
 Earth MOID = .945336 au 
 Jupiter MOID = 2.34211 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 14.03   n/a E2021B10  
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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