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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797860482266152 5.1112e-08  
a 2.732784485084139 1.8062e-08 au
q 2.241467961855856 1.3916e-07 au
i 9.872928378788929 5.7581e-06 deg
node 163.0976296412277 2.4566e-05 deg
peri 180.2026173750075 2.7175e-05 deg
M 191.9798328913998 1.2385e-05 deg
tp 2459970.632433064306
(2023-Jan-26.13243306)
5.8825e-05 TDB
period 1650.085705032958
4.52
1.6359e-05
4.479e-08
d
yr
n .2181704858735259 2.1629e-09 deg/d
Q 3.224101008312422 2.1309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7478 days (20.47 yr)  
   first obs. used      2000-09-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:14  

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 | Close-Approach Data ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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