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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026081552146141 2.8906e-08  
a 2.516937734980573 9.5519e-09 au
q 2.258679397204167 7.6815e-08 au
i 3.172364375323041 5.5845e-06 deg
node 150.0850772315803 0.0001032 deg
peri 309.948819526024 0.00012993 deg
M 2.606218473868079 7.6267e-05 deg
tp 2459385.941178382398
(2021-Jun-20.44117838)
0.00030899 TDB
period 1458.502355213156
3.99
8.3026e-06
2.273e-08
d
yr
n .2468285352527847 1.4051e-09 deg/d
Q 2.775196072756979 1.0532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      8337 days (22.83 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:39  

Additional Information
 Earth MOID = 1.27732 au 
 Jupiter MOID = 2.3426 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 15.48   n/a E2021B10  

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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