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79488 (1998 FF31)
Classification: Main-belt Asteroid          SPK-ID: 2079488
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169776234188502 4.786e-08  
a 3.168830223107186 2.5029e-08 au
q 2.798147994590283 1.6296e-07 au
i 6.144891026028216 4.6875e-06 deg
node 138.1742723770376 3.8332e-05 deg
peri 21.20785588968516 4.2681e-05 deg
M 349.8140019645865 1.7326e-05 deg
tp 2459058.797236955392
(2020-Jul-28.29723696)
9.9194e-05 TDB
period 2060.377906119352
5.64
2.4411e-05
6.683e-08
d
yr
n .174725228284964 2.0701e-09 deg/d
Q 3.53951245162409 2.7957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:41:09  

Additional Information
 Earth MOID = 1.80842 au 
 Jupiter MOID = 1.44796 au 
 T_jup = 3.183 
[ 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 14.5   n/a MPO426488  
diameter diameter 5.759 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79488 (1998 FF31)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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