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4415 Echnaton (4237 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004415
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06428423163657733 3.6561e-08  
a 2.338615705166953 7.6166e-09 au
q 2.188279591467063 8.6264e-08 au
i 2.012015422176063 3.9921e-06 deg
node 328.9619008131851 9.8325e-05 deg
peri 175.3604181629188 0.0001022 deg
M 117.1580779954959 2.7881e-05 deg
tp 2458575.384972411234
(2019-Apr-01.88497241)
0.00010096 TDB
period 1306.28132989549
3.58
6.3816e-06
1.747e-08
d
yr
n .2755914761706056 1.3464e-09 deg/d
Q 2.488951818866842 8.1063e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1371  
   data-arc span      25377 days (69.48 yr)  
   first obs. used      1950-12-09  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:09:18  

Additional Information
 Earth MOID = 1.20029 au 
 Jupiter MOID = 2.50263 au 
 T_jup = 3.562 
[ 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 15.3   n/a MPO473827  

4415 Echnaton (4237 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 4237 P-L = 1980 FK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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