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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348375489428921 5.0038e-08  
a 2.602373507035073 1.8722e-08 au
q 2.251475841912545 1.351e-07 au
i .6955780732264031 5.4507e-06 deg
node 97.079009616569 0.00053538 deg
peri 179.3852302456043 0.00053588 deg
M 218.2569272310647 2.5136e-05 deg
tp 2459604.243145401356
(2022-Jan-24.74314540)		 0.00010895 TDB
period 1533.390860651093
4.20		 1.6548e-05
4.531e-08		 d
yr
n .2347738004954199 2.5335e-09 deg/d
Q 2.9532711721576 2.1247e-08 au
   Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      9129 days (24.99 yr)  
   first obs. used      1995-01-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:24:58  

Additional Information
 Earth MOID = 1.23507 au 
 Jupiter MOID = 2.15404 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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