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324390 (2006 SM18)
Classification: Main-belt Asteroid          SPK-ID: 2324390
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 .2223600901871677 8.2353e-08  
a 2.392329315499556 1.1837e-08 au
q 1.860370753147669 2.004e-07 au
i 3.259603169107227 4.8887e-06 deg
node 65.92171799248355 0.00016083 deg
peri 304.2938747797663 0.0001614 deg
M 251.9935447760749 1.34e-05 deg
tp 2459405.987137111039
(2021-Jul-10.48713711)
5.147e-05 TDB
period 1351.543007844574
3.70
1.0031e-05
2.746e-08
d
yr
n .2663622229633107 1.9768e-09 deg/d
Q 2.924287877851442 1.4469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5610 days (15.36 yr)  
   first obs. used      2002-07-17  
   last obs. used      2017-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:21:27  

Additional Information
 Earth MOID = .862564 au 
 Jupiter MOID = 2.54025 au 
 T_jup = 3.495 
[ 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 17.4   n/a MPO352999  

324390 (2006 SM18)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

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