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173408 (2000 EN18)
Classification: Main-belt Asteroid          SPK-ID: 2173408
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655694553972875 3.4091e-08  
a 2.596784480733619 1.6205e-08 au
q 2.166836288474426 9.3426e-08 au
i 4.94044608838237 3.7593e-06 deg
node 120.6825571826066 8.8155e-05 deg
peri 347.3077961414734 9.1682e-05 deg
M 337.0335157833358 2.7076e-05 deg
tp 2459098.008910441612
(2020-Sep-05.50891044)
0.00011544 TDB
period 1528.45369921748
4.18
1.4307e-05
3.917e-08
d
yr
n .2355321591908924 2.2047e-09 deg/d
Q 3.026732672992813 1.8888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      2000-02-04  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:03:30  

Additional Information
 Earth MOID = 1.1839 au 
 Jupiter MOID = 2.09642 au 
 T_jup = 3.392 
[ 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 16.3   n/a MPO502965  

173408 (2000 EN18)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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