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90556 (2004 FO138)
Classification: Main-belt Asteroid          SPK-ID: 2090556
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212674564015676 8.9381e-08  
a 2.331043510136899 1.337e-08 au
q 1.835289847916963 2.1408e-07 au
i 23.90279916302249 7.6899e-06 deg
node 52.75041323432537 1.8918e-05 deg
peri 126.0225066479881 3.0238e-05 deg
M 213.6527445530317 1.7697e-05 deg
tp 2459528.952647734338
(2021-Nov-10.45264773)
6.4948e-05 TDB
period 1299.942063165647
3.56
1.1184e-05
3.062e-08
d
yr
n .2769354190473076 2.3826e-09 deg/d
Q 2.826797172356835 1.6213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      8250 days (22.59 yr)  
   first obs. used      1995-10-17  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:39:54  

Additional Information
 Earth MOID = .902905 au 
 Jupiter MOID = 2.2964 au 
 T_jup = 3.428 
[ 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 15.8   n/a MPO436405  

90556 (2004 FO138)          Discovered 2004-Mar-16 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 FO138 = 1995 UG17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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