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79491 (1998 FS42)
Classification: Main-belt Asteroid          SPK-ID: 2079491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795893867538009 3.6752e-08  
a 3.186115267964074 2.0838e-08 au
q 2.613922780863484 1.1873e-07 au
i 1.703358453212743 4.771e-06 deg
node 245.7268320786317 0.00015641 deg
peri 214.2173785045889 0.0001572 deg
M 26.18154783143285 1.4064e-05 deg
tp 2458849.428177031435
(2019-Dec-31.92817703)
8.0962e-05 TDB
period 2077.259015350856
5.69
2.0379e-05
5.579e-08
d
yr
n .1733053015245644 1.7002e-09 deg/d
Q 3.758307755064664 2.458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      7989 days (21.87 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:41:48  

Additional Information
 Earth MOID = 1.63102 au 
 Jupiter MOID = 1.41644 au 
 T_jup = 3.172 
[ 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 14.4   n/a MPO453217  
diameter diameter 6.080 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79491 (1998 FS42)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 FS42 = 2001 QD242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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