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79992 (1999 FS4)
Classification: Main-belt Asteroid          SPK-ID: 2079992
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09889395792805912 5.6982e-08  
a 3.065623687677447 1.7767e-08 au
q 2.762452027685012 1.748e-07 au
i 9.645018877440801 6.3264e-06 deg
node 194.9747829716394 2.3234e-05 deg
peri 162.7143385716683 3.0135e-05 deg
M 181.9116799187044 2.0316e-05 deg
tp 2459970.361295167548
(2023-Jan-25.86129517)
0.00011393 TDB
period 1960.544442785095
5.37
1.7044e-05
4.666e-08
d
yr
n .1836224633034046 1.5963e-09 deg/d
Q 3.368795347669882 1.9525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:45:13  

Additional Information
 Earth MOID = 1.76087 au 
 Jupiter MOID = 2.10614 au 
 T_jup = 3.203 
[ 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 13.8   n/a MPO385317  
diameter diameter 6.661 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79992 (1999 FS4)          Discovered 1999-Mar-17 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 FS4 = 2001 QF293 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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