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181418 (2006 SJ216)
Classification: Main-belt Asteroid          SPK-ID: 2181418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08515354485303023 4.7136e-08  
a 2.404230031970457 1.511e-08 au
q 2.199501322106058 1.1692e-07 au
i 5.000666716209462 5.6828e-06 deg
node 163.870191781582 5.6281e-05 deg
peri 253.8392155247761 6.6491e-05 deg
M 256.6562524895943 3.7317e-05 deg
tp 2459591.380638338494
(2022-Jan-11.88063834)
0.00014299 TDB
period 1361.64047842071
3.73
1.2837e-05
3.515e-08
d
yr
n .2643869697657223 2.4925e-09 deg/d
Q 2.608958741834856 1.6397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6551 days (17.94 yr)  
   first obs. used      2002-08-15  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:32  

Additional Information
 Earth MOID = 1.2166 au 
 Jupiter MOID = 2.63441 au 
 T_jup = 3.514 
[ 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 17.16   n/a E2021B55  

181418 (2006 SJ216)          Discovered 2006-Sep-27 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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