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187890 (2000 SW41)
Classification: Main-belt Asteroid          SPK-ID: 2187890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797860460400713 5.0777e-08  
a 2.732784483931879 1.7742e-08 au
q 2.24146796688611 1.3853e-07 au
i 9.872928784371391 5.7302e-06 deg
node 163.097626516741 2.418e-05 deg
peri 180.202621187753 2.6745e-05 deg
M 191.9798326090273 1.235e-05 deg
tp 2459970.632433871499
(2023-Jan-26.13243387)
5.8756e-05 TDB
period 1650.085703989337
4.52
1.6069e-05
4.399e-08
d
yr
n .218170486011511 2.1246e-09 deg/d
Q 3.224101000977648 2.0931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      2000-09-23  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:22  

Additional Information
 Earth MOID = 1.23187 au 
 Jupiter MOID = 2.19419 au 
 T_jup = 3.309 
[ 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 16.09   n/a E2021B55  

187890 (2000 SW41)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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