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17808 (1998 FV74)
Classification: Main-belt Asteroid          SPK-ID: 2017808
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038442936929791 4.0706e-08  
a 3.069437514541422 1.9551e-08 au
q 2.750693943809135 1.2973e-07 au
i 9.426067254791167 4.4816e-06 deg
node 199.052263389592 2.2781e-05 deg
peri 175.5094782027367 3.2282e-05 deg
M 264.4628658509939 2.6358e-05 deg
tp 2459721.762317716792
(2022-May-22.26231772)
0.00014699 TDB
period 1964.204139569088
5.38
1.8767e-05
5.138e-08
d
yr
n .183280338712135 1.7511e-09 deg/d
Q 3.388181085273709 2.1581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1637  
   data-arc span      8668 days (23.73 yr)  
   first obs. used      1996-11-13  
   last obs. used      2020-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:13:51  

Additional Information
 Earth MOID = 1.75043 au 
 Jupiter MOID = 2.07617 au 
 T_jup = 3.202 
[ 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 13.46   n/a E2021B10  
diameter diameter 6.114 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.5253 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.472   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17808 (1998 FV74)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FV74 = 1999 NW44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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