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39918 (1998 FS49)
Classification: Main-belt Asteroid          SPK-ID: 2039918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222287948488603 3.5556e-08  
a 2.427909524576073 9.3413e-09 au
q 2.13114906938507 8.5915e-08 au
i 2.647277352483392 4.3171e-06 deg
node 1.001683369727123 7.0445e-05 deg
peri 212.904552569015 7.2138e-05 deg
M 286.7030429002992 1.5888e-05 deg
tp 2459281.839440710843
(2021-Mar-08.33944071)
6.1309e-05 TDB
period 1381.806321347507
3.78
7.9747e-06
2.183e-08
d
yr
n .2605285519673524 1.5036e-09 deg/d
Q 2.724669979767075 1.0483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      9406 days (25.75 yr)  
   first obs. used      1994-05-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:55  

Additional Information
 Earth MOID = 1.12538 au 
 Jupiter MOID = 2.24463 au 
 T_jup = 3.498 
[ 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 14.9   n/a MPO412462  
diameter diameter 5.952 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39918 (1998 FS49)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FS49 = 1999 RY64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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