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24476 (2000 WE68)
Classification: Main-belt Asteroid          SPK-ID: 2024476
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393985566208315 2.7819e-08  
a 2.592873112757024 1.2208e-08 au
q 2.231430343337732 7.7108e-08 au
i 14.64814629190716 1.1225e-06 deg
node 59.91173903527661 3.7172e-06 deg
peri 351.9984956945042 6.4085e-06 deg
M 15.91151706294192 9.5325e-06 deg
tp 2459329.096971346023
(2021-Apr-24.59697135)
4.014e-05 TDB
period 1525.001683965463
4.18
1.0771e-05
2.949e-08
d
yr
n .2360653130978136 1.6672e-09 deg/d
Q 2.954315882176316 1.391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1913  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1991-09-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45936  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:02:33  

Additional Information
 Earth MOID = 1.24327 au 
 Jupiter MOID = 2.41572 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457362.5 (2015-Dec-06.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414397877035793 2.7953e-08  
q 2.225798437949555 7.7639e-08 au
tp 2457800.167850201112
(2017-Feb-15.66785020)
3.5061e-05 TDB
node 59.97698253247271 3.7123e-06 deg
peri 351.2221269038711 6.2721e-06 deg
i 14.66723644313829 1.1246e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1913  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1991-09-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45936  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:02:33  

Additional Information
 Jupiter MOID = 2.41572 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.813788315004615E-16 -2.15376829726653E-15 -4.274048193123467E-13 1.67159215279112E-14 -4.702252763063181E-14 1.069147622335776E-14
q -2.15376829726653E-15 6.027853685456936E-15 1.211529879317234E-12 -4.297780550517858E-14 1.267011867698546E-13 -2.99697887127213E-14
tp -4.274048193123467E-13 1.211529879317234E-12 1.229300927326689E-9 2.776529721357879E-11 1.891429234000842E-10 -1.817227360797732E-11
node 1.67159215279112E-14 -4.297780550517858E-14 2.776529721357879E-11 1.378144292076809E-11 -5.057499968258525E-12 -1.393158974381316E-12
peri -4.702252763063181E-14 1.267011867698546E-13 1.891429234000842E-10 -5.057499968258525E-12 3.933955288479011E-11 -1.676105572577844E-12
i 1.069147622335776E-14 -2.99697887127213E-14 -1.817227360797732E-11 -1.393158974381316E-12 -1.676105572577844E-12 1.264730014970354E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.61   n/a MPCxxxxx  
diameter diameter 4.697 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.554   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24476 (2000 WE68)          Discovered 2000-Nov-29 by Juels, C. W. at Fountain Hills
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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