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312545 (2009 FO9)
Classification: Main-belt Asteroid          SPK-ID: 2312545
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623100139855825 8.4902e-08  
a 2.221651182016936 1.4116e-08 au
q 1.861054947592681 1.8546e-07 au
i 2.61223778015501 1.1375e-05 deg
node 1.098535629456914 0.00010846 deg
peri 145.4701011922675 0.00011189 deg
M 159.6027949366422 2.8112e-05 deg
tp 2458464.271087616548
(2018-Dec-11.77108762)
9.296e-05 TDB
period 1209.517718876259
3.31
1.1528e-05
3.156e-08
d
yr
n .2976392940605033 2.8368e-09 deg/d
Q 2.58224741644119 1.6408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6343 days (17.37 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:03:20  

Additional Information
 Earth MOID = .873463 au 
 Jupiter MOID = 2.4216 au 
 T_jup = 3.630 
[ 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 17.7   n/a MPO264793  

312545 (2009 FO9)          Discovered 2009-Mar-16 by PMO NEO Survey Program at Purple Mountain
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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