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508997 (2005 FL4)
Classification: Apollo [NEO]          SPK-ID: 2508997
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7214452546306175 1.5572e-07  
a 2.650376107517904 5.036e-08 au
q .7382748417627448 4.0604e-07 au
i 28.45341908913398 3.5243e-05 deg
node 66.78711981596055 0.00010646 deg
peri 176.86818663 9.7454e-05 deg
M 167.3797207930469 2.5931e-05 deg
tp 2458267.742913951173
(2018-May-29.24291395)
9.4152e-05 TDB
period 1576.012612087806
4.31
4.4919e-05
1.23e-07
d
yr
n .2284245679500583 6.5104e-09 deg/d
Q 4.562477373273063 8.6692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4872 days (13.34 yr)  
   first obs. used      2005-03-30  
   last obs. used      2018-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47295  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-04 06:52:57  

Additional Information
 Earth MOID = .274552 au 
 Jupiter MOID = .482974 au 
 T_jup = 2.832 
[ 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 17.0   n/a MPO437906  

508997 (2005 FL4)          Discovered 2005-Mar-30 by LINEAR at Socorro
Reference: Last Updated: 2018-02-05

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