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226631 (2004 FH2)
Classification: Main-belt Asteroid          SPK-ID: 2226631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643893229644079 5.9211e-08  
a 2.264678680234814 1.4324e-08 au
q 1.892389685259084 1.3713e-07 au
i 6.819446125016386 4.8798e-06 deg
node 144.5214916733168 4.9594e-05 deg
peri 55.66091065183678 5.3429e-05 deg
M 262.2255087488057 2.7079e-05 deg
tp 2459338.589262792324
(2021-May-04.08926279)
9.6403e-05 TDB
period 1244.825036138965
3.41
1.181e-05
3.233e-08
d
yr
n .2891972683298536 2.7438e-09 deg/d
Q 2.636967675210544 1.6679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9350 days (25.60 yr)  
   first obs. used      1994-06-16  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:55:54  

Additional Information
 Earth MOID = .900516 au 
 Jupiter MOID = 2.33332 au 
 T_jup = 3.590 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO503111  

226631 (2004 FH2)          Discovered 2004-Mar-17 by Tucker, R. A. at Goodricke-Pigott
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 FH2 = 1997 CB12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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