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16922 (1998 FR57)
Classification: Outer Main-belt Asteroid          SPK-ID: 2016922
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326053343102823 4.534e-08  
a 3.227787072089233 1.6716e-08 au
q 2.799765288312433 1.4626e-07 au
i 3.897349273376776 4.4194e-06 deg
node 322.4340345234567 5.8043e-05 deg
peri 46.87436007700121 5.9405e-05 deg
M 146.0542006944326 1.3412e-05 deg
tp 2458341.155512996831
(2018-Aug-10.65551300)
7.6745e-05 TDB
period 2118.145276549608
5.80
1.6455e-05
4.505e-08
d
yr
n .1699600135956816 1.3203e-09 deg/d
Q 3.655808855866034 1.8933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1913  
   data-arc span      11466 days (31.39 yr)  
   first obs. used      1989-10-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:47:04  

Additional Information
 Earth MOID = 1.7993 au 
 Jupiter MOID = 1.83012 au 
 T_jup = 3.170 
[ 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 13.18   n/a E2021B10  
diameter diameter 13.555 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16922 (1998 FR57)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FR57 = 1989 UZ8 = 1995 WE26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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