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16924 (1998 FL61)
Classification: Main-belt Asteroid          SPK-ID: 2016924
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117816748687278 2.1501e-08  
a 3.022352936287037 1.5234e-08 au
q 2.666269139948251 6.8214e-08 au
i 10.71494840385239 4.7942e-07 deg
node 3.131600745248614 4.5061e-06 deg
peri 327.0817517189732 9.4686e-06 deg
M 346.3542184273762 7.5243e-06 deg
tp 2459273.246500817846
(2021-Feb-27.74650082)
4.0215e-05 TDB
period 1919.182141018905
5.25
1.451e-05
3.973e-08
d
yr
n .1875799030772941 1.4182e-09 deg/d
Q 3.378436732625823 1.7029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2098  
   data-arc span      20835 days (57.04 yr)  
   first obs. used      1963-10-14  
   last obs. used      2020-10-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:47:05  

Additional Information
 Earth MOID = 1.66186 au 
 Jupiter MOID = 2.03983 au 
 T_jup = 3.209 
[ 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 12.2   n/a MPO492937  
diameter diameter 12.181 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.399 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2010) Minor Planet Bull. 37, 89-92.]
geometric albedo albedo 0.249   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

16924 (1998 FL61)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FL61 = 1937 UH = 1963 TQ = 1979 WJ5 = 1982 FT2 = 1990 WT13 = 1992 CG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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