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118860 (2000 SW318)
Classification: Main-belt Asteroid          SPK-ID: 2118860
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2821198703789179 3.6556e-08  
a 2.771424923441105 1.2589e-08 au
q 1.989550883274998 1.0225e-07 au
i 11.05027934430639 6.4282e-06 deg
node 288.6972515848456 2.2766e-05 deg
peri 113.8129595548493 2.6187e-05 deg
M 128.2814782015589 1.2659e-05 deg
tp 2458599.997860315588
(2019-Apr-26.49786032)		 5.6935e-05 TDB
period 1685.206417303049
4.61		 1.1483e-05
3.144e-08		 d
yr
n .2136236821220587 1.4556e-09 deg/d
Q 3.553298963607211 1.6141e-08 au
   Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2000-09-07  
   last obs. used      2020-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:13  

Additional Information
 Earth MOID = 1.0277 au 
 Jupiter MOID = 2.00194 au 
 T_jup = 3.252 
[ 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 15.00   n/a E2021B55  

118860 (2000 SW318)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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