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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991002995743138 3.2681e-08  
a 3.130649178126653 1.5927e-08 au
q 2.507335988899558 1.0187e-07 au
i .5140630908999639 3.7307e-06 deg
node 342.9131144605622 0.00037341 deg
peri 328.7233058816599 0.00037353 deg
M 91.28454269222873 8.5823e-06 deg
tp 2458687.467621701230
(2019-Jul-22.96762170)
4.8005e-05 TDB
period 2023.252247757389
5.54
1.544e-05
4.227e-08
d
yr
n .1779313481050278 1.3578e-09 deg/d
Q 3.75396236735375 1.9098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      12574 days (34.43 yr)  
   first obs. used      1986-09-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:08  

Additional Information
 Earth MOID = 1.49112 au 
 Jupiter MOID = 1.53256 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 14.32   n/a MPCxxxxx  
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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