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249816 (2001 FD90)
Classification: Amor [NEO]          SPK-ID: 2249816
[ 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 97 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4776374849191378 3.4328e-08  
a 2.046745825394831 1.7153e-08 au
q 1.069143297084499 6.8265e-08 au
i 7.297203534471341 5.6274e-06 deg
node 202.2145348307364 2.7632e-05 deg
peri 47.75649826445061 3.1626e-05 deg
M 169.0922980352945 2.7209e-05 deg
tp 2458498.139339912621
(2019-Jan-14.63933991)		 7.4571e-05 TDB
period 1069.533265162129
2.93		 1.3445e-05
3.681e-08		 d
yr
n .3365954213171932 4.2313e-09 deg/d
Q 3.024348353705162 2.5346e-08 au
   Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6796 days (18.61 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-28 06:14:30  

Additional Information
 Earth MOID = .100248 au 
 Jupiter MOID = 2.04812 au 
 T_jup = 3.635 
[ 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 19.1   n/a MPO181967  

249816 (2001 FD90)          Discovered 2001-Mar-26 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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