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JPL Small-Body Database Browser
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305889 (2009 FA21)
Classification: Main-belt Asteroid          SPK-ID: 2305889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06704284204807741 5.3698e-08  
a 2.619364985601741 3.9298e-08 au
q 2.443755312605778 1.4095e-07 au
i 22.15662516535043 1.5182e-05 deg
node 13.62627568096171 1.5242e-05 deg
peri 69.31839103811842 0.00020576 deg
M 241.1440070990267 0.00019227 deg
tp 2459111.723768217302
(2020-Sep-19.22376822)
0.00082205 TDB
period 1548.43312538363
4.24
3.4846e-05
9.54e-08
d
yr
n .2324930887220646 5.2321e-09 deg/d
Q 2.794974658597702 4.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      6803 days (18.63 yr)  
   first obs. used      1998-09-15  
   last obs. used      2017-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54421  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:18:11  

Additional Information
 Earth MOID = 1.51612 au 
 Jupiter MOID = 2.38641 au 
 T_jup = 3.298 
[ 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 15.9   n/a MPO260602  

305889 (2009 FA21)          Discovered 2009-Mar-19 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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