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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06365418586087493 2.9738e-08  
a 2.973712687643649 1.5025e-08 au
q 2.784423427527538 9.2741e-08 au
i 12.01586801659503 3.2227e-06 deg
node 187.8672732843074 1.7764e-05 deg
peri 202.947076667928 3.539e-05 deg
M 306.4476684860323 3.1704e-05 deg
tp 2459479.126755848411
(2021-Sep-21.62675585)
0.00016553 TDB
period 1873.039497435625
5.13
1.4196e-05
3.887e-08
d
yr
n .1922009655924904 1.4567e-09 deg/d
Q 3.16300194775976 1.5982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1951  
   data-arc span      12848 days (35.18 yr)  
   first obs. used      1985-10-18  
   last obs. used      2020-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:13:14  

Additional Information
 Earth MOID = 1.79036 au 
 Jupiter MOID = 2.15808 au 
 T_jup = 3.226 
[ 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 13.40   n/a E2021B10  
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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