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JPL Small-Body Database Browser
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17790 (1998 FN49)
Classification: Main-belt Asteroid          SPK-ID: 2017790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06430230864049424 3.379e-08  
a 2.976030078272136 1.7615e-08 au
q 2.784664473655687 1.0079e-07 au
i 12.00656777745079 3.8755e-06 deg
node 187.9425550436402 1.8278e-05 deg
peri 202.3272742012558 3.5688e-05 deg
M 268.6320605431487 3.2047e-05 deg
tp 2459476.432904092921
(2021-Sep-18.93290409)
0.00016837 TDB
period 1875.22939109692
5.13
1.6649e-05
4.558e-08
d
yr
n .1919765132250925 1.7044e-09 deg/d
Q 3.167395682888585 1.8747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      12357 days (33.83 yr)  
   first obs. used      1985-10-18  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:12:06  

Additional Information
 Earth MOID = 1.79163 au 
 Jupiter MOID = 2.15946 au 
 T_jup = 3.225 
[ 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 13.3   n/a MPO435864  
diameter diameter 11.304 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17790 (1998 FN49)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN49 = 1985 UA2 = 2000 QY90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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