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JPL Small-Body Database Browser
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39898 (1998 FQ23)
Classification: Main-belt Asteroid          SPK-ID: 2039898
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358264926815231 4.166e-08  
a 2.433491807586156 1.0965e-08 au
q 2.102959150392508 1.0449e-07 au
i 2.446605578897846 3.8295e-06 deg
node 80.64432181741725 0.00012812 deg
peri 48.76556604234729 0.00012962 deg
M 337.1939846537416 1.9772e-05 deg
tp 2459088.339563930376
(2020-Aug-26.83956393)
7.6217e-05 TDB
period 1386.574661764552
3.80
9.3715e-06
2.566e-08
d
yr
n .2596326111583957 1.7548e-09 deg/d
Q 2.764024464779803 1.2454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9986 days (27.34 yr)  
   first obs. used      1992-09-26  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:30  

Additional Information
 Earth MOID = 1.11883 au 
 Jupiter MOID = 2.27972 au 
 T_jup = 3.492 
[ 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 16.0   n/a MPO452721  

39898 (1998 FQ23)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FQ23 = 1992 SD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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