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226637 (2004 FU21)
Classification: Main-belt Asteroid          SPK-ID: 2226637
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02890253031020824 5.8596e-08  
a 2.28023867545856 1.3941e-08 au
q 2.21433400802661 1.3068e-07 au
i 3.17715428821674 5.5302e-06 deg
node 256.3956656181194 0.00011769 deg
peri 336.6151637264975 0.00015627 deg
M 201.5870070268166 0.00010466 deg
tp 2459553.922977733102
(2021-Dec-05.42297773)
0.00036626 TDB
period 1257.676332254156
3.44
1.1534e-05
3.158e-08
d
yr
n .2862421680105608 2.625e-09 deg/d
Q 2.34614334289051 1.4344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:05  

Additional Information
 Earth MOID = 1.20265 au 
 Jupiter MOID = 2.63114 au 
 T_jup = 3.603 
[ 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 17.0   n/a MPO494244  

226637 (2004 FU21)          Discovered 2004-Mar-16 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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