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186086 (2001 SW258)
Classification: Main-belt Asteroid          SPK-ID: 2186086
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01788275385123513 7.672e-08  
a 2.579900088006613 2.1417e-08 au
q 2.53376436977201 1.8804e-07 au
i 3.997240551051189 5.0487e-06 deg
node 230.8417255717183 7.2152e-05 deg
peri 156.6585269505215 0.00014876 deg
M 201.9695020596781 0.0001313 deg
tp 2459864.917657393735
(2022-Oct-12.41765739)
0.00055424 TDB
period 1513.57085992396
4.14
1.8847e-05
5.16e-08
d
yr
n .237848130888359 2.9617e-09 deg/d
Q 2.626035806241215 2.18e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:51  

Additional Information
 Earth MOID = 1.53609 au 
 Jupiter MOID = 2.42941 au 
 T_jup = 3.422 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.87   n/a E2021B55  

186086 (2001 SW258)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 SW258 = 2004 KD18 = 2005 QY60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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