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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795723995325083 2.9462e-08  
a 2.670561936234495 9.5667e-09 au
q 2.191002721244685 7.6498e-08 au
i 12.94596489626626 3.3456e-06 deg
node 158.2301317857087 1.7773e-05 deg
peri 174.5219304956787 2.1144e-05 deg
M 102.3907173403022 1.2115e-05 deg
tp 2458943.121946316043
(2020-Apr-03.62194632)
5.282e-05 TDB
period 1594.051722323279
4.36
8.5655e-06
2.345e-08
d
yr
n .2258395978991896 1.2135e-09 deg/d
Q 3.150121151224305 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-Aug-25 16:51:25  

Additional Information
 Earth MOID = 1.18058 au 
 Jupiter MOID = 2.2443 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457585.5 (2016-Jul-16.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806907095978416 2.9465e-08  
q 2.187480502813662 7.6645e-08 au
tp 2457351.117492117751
(2015-Nov-24.61749212)
5.0609e-05 TDB
node 158.3160421971671 1.7776e-05 deg
peri 174.7503857161961 2.1123e-05 deg
i 12.94642879318879 3.3476e-06 deg
  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-Aug-25 16:51:25  

Additional Information
 Jupiter MOID = 2.2443 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.681694128215604E-16 -2.247675064536998E-15 5.404057240727525E-13 3.634368039926998E-15 1.101039136451156E-13 -5.884514220153277E-16
q -2.247675064536998E-15 5.874449264489527E-15 -1.388085569069624E-12 -7.847482859372805E-15 -2.824649173355491E-13 1.930012976926674E-15
tp 5.404057240727525E-13 -1.388085569069624E-12 2.561287604657976E-9 4.772974344168582E-12 5.989701141342825E-10 -1.236479425352674E-12
node 3.634368039926998E-15 -7.847482859372805E-15 4.772974344168582E-12 3.159930429894071E-10 -3.065912069556247E-10 2.009468307098804E-11
peri 1.101039136451156E-13 -2.824649173355491E-13 5.989701141342825E-10 -3.065912069556247E-10 4.46170669814441E-10 -1.986509873641636E-11
i -5.884514220153277E-16 1.930012976926674E-15 -1.236479425352674E-12 2.009468307098804E-11 -1.986509873641636E-11 1.120644479823527E-11

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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