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22556 (1998 FU120)
Classification: Main-belt Asteroid          SPK-ID: 2022556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749648621675745 4.6669e-08  
a 2.126755564348744 8.1222e-09 au
q 1.754648070168344 1.0427e-07 au
i 1.122852352826976 3.549e-06 deg
node 235.7739725576738 0.00017915 deg
peri 93.78121630505883 0.00017967 deg
M 343.0585907006532 1.9125e-05 deg
tp 2459253.811613609079
(2021-Feb-08.31161361)
6.0439e-05 TDB
period 1132.856219937275
3.10
6.4896e-06
1.777e-08
d
yr
n .3177808389664248 1.8204e-09 deg/d
Q 2.498863058529145 9.5433e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      17858 days (48.89 yr)  
   first obs. used      1971-09-26  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:35  

Additional Information
 Earth MOID = .742075 au 
 Jupiter MOID = 2.83481 au 
 T_jup = 3.705 
[ 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 15.55   n/a E2021B10  

22556 (1998 FU120)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FU120 = 1971 SK4 = 1971 SS3 = 1996 VS6 = 1999 VC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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