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JPL Small-Body Database Browser
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91048 (1998 FO31)
Classification: Main-belt Asteroid          SPK-ID: 2091048
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 .1023301230763478 3.4536e-08  
a 2.516303437777535 1.2541e-08 au
q 2.258809797292323 8.7013e-08 au
i 3.172344918041024 8.08e-06 deg
node 150.0886198404012 0.00011126 deg
peri 310.0020952885439 0.00013799 deg
M 264.7695650711988 7.8939e-05 deg
tp 2459386.170313017874
(2021-Jun-20.67031302)
0.00032007 TDB
period 1457.951050945415
3.99
1.09e-05
2.984e-08
d
yr
n .2469218700906018 1.846e-09 deg/d
Q 2.773797078262747 1.3825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      7337 days (20.09 yr)  
   first obs. used      1998-03-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64393  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:01:45  

Additional Information
 Earth MOID = 1.27724 au 
 Jupiter MOID = 2.34419 au 
 T_jup = 3.449 
[ 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 15.4   n/a MPO257419  

91048 (1998 FO31)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FO31 = 2000 SS189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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