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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125622684175308 7.5032e-08  
a 2.3317124657241 1.2281e-08 au
q 1.836078374712351 1.8059e-07 au
i 23.89863946977662 6.7803e-06 deg
node 52.74806144854705 1.1053e-05 deg
peri 125.9477124965405 1.9133e-05 deg
M 323.3700895814551 1.4542e-05 deg
tp 2459528.825722660430
(2021-Nov-10.32572266)
5.3074e-05 TDB
period 1300.501683281134
3.56
1.0274e-05
2.813e-08
d
yr
n .2768162507039043 2.1869e-09 deg/d
Q 2.827346556735848 1.4891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      9310 days (25.49 yr)  
   first obs. used      1995-10-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:29  

Additional Information
 Earth MOID = .904497 au 
 Jupiter MOID = 2.29404 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 15.83   n/a MPCxxxxx  

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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