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46187 (2001 FW126)
Classification: Main-belt Asteroid          SPK-ID: 2046187
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795723995302028 2.9462e-08  
a 2.670561936261099 9.5667e-09 au
q 2.191002721272668 7.6498e-08 au
i 12.94596489612566 3.3456e-06 deg
node 158.2301317852702 1.7773e-05 deg
peri 174.5219304974362 2.1144e-05 deg
M 102.3907173382368 1.2115e-05 deg
tp 2458943.121946318413
(2020-Apr-03.62194632)
5.282e-05 TDB
period 1594.051722347098
4.36
8.5655e-06
2.345e-08
d
yr
n .2258395978958151 1.2135e-09 deg/d
Q 3.150121151249528 1.1285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1699  
   data-arc span      8283 days (22.68 yr)  
   first obs. used      1998-08-02  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:22:22  

Additional Information
 Earth MOID = 1.18058 au 
 Jupiter MOID = 2.2443 au 
 T_jup = 3.322 
[ 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 14.22   n/a E2021B10  
diameter diameter 4.135 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46187 (2001 FW126)          Discovered 2001-Mar-26 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FW126 = 1998 QH91 = 2019 ET3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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