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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2819633003330558 3.655e-08  
a 2.771932314873993 1.2597e-08 au
q 1.990349131072275 1.0225e-07 au
i 11.05045156759187 6.4282e-06 deg
node 288.6996180889823 2.2762e-05 deg
peri 113.8437891265975 2.6188e-05 deg
M 85.53497060148294 1.2498e-05 deg
tp 2458599.989811279151
(2019-Apr-26.48981128)		 5.6986e-05 TDB
period 1685.669228920105
4.62		 1.149e-05
3.146e-08		 d
yr
n .2135650303296026 1.4558e-09 deg/d
Q 3.553515498675711 1.6148e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:08:28  

Additional Information
 Earth MOID = 1.02932 au 
 Jupiter MOID = 2.00057 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 14.9   n/a MPO338094  

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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