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JPL Small-Body Database Browser
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46220 (2001 FW189)
Classification: Main-belt Asteroid          SPK-ID: 2046220
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995038046376596 3.8356e-08  
a 3.131039553059042 1.8525e-08 au
q 2.506385249752766 1.236e-07 au
i .5139262201957494 4.7302e-06 deg
node 342.9283310558363 0.00037889 deg
peri 328.5817232576265 0.00037905 deg
M 344.6030627347031 9.3805e-06 deg
tp 2458687.049207830065
(2019-Jul-22.54920783)
5.2608e-05 TDB
period 2023.630692387761
5.54
1.7959e-05
4.917e-08
d
yr
n .1778980726840143 1.5788e-09 deg/d
Q 3.755693856365318 2.222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      12107 days (33.15 yr)  
   first obs. used      1986-09-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:56  

Additional Information
 Earth MOID = 1.49132 au 
 Jupiter MOID = 1.52807 au 
 T_jup = 3.182 
[ 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 14.2   n/a MPO436105  
diameter diameter 7.848 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46220 (2001 FW189)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FW189 = 1986 RA9 = 1996 FL18 = 2000 BO43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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