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JPL Small-Body Database Browser
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146531 (2001 SW187)
Classification: Main-belt Asteroid          SPK-ID: 2146531
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348332462201775 5.031e-08  
a 2.602295374164694 1.88e-08 au
q 2.251419441242317 1.3589e-07 au
i .695626275064565 5.471e-06 deg
node 97.0791085018711 0.00054126 deg
peri 179.2767803912192 0.00054177 deg
M 124.4859934493553 2.5042e-05 deg
tp 2458070.285866504821
(2017-Nov-12.78586651)		 0.00010554 TDB
period 1533.321804078455
4.20		 1.6616e-05
4.549e-08		 d
yr
n .2347843740579716 2.5442e-09 deg/d
Q 2.953171307087072 2.1335e-08 au
   Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1995-01-07  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59908  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 02:36:45  

Additional Information
 Earth MOID = 1.23449 au 
 Jupiter MOID = 2.15315 au 
 T_jup = 3.401 
[ 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 16.9   n/a MPO453930  

146531 (2001 SW187)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 SW187 = 1995 AZ1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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