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74368 (1998 WG41)
Classification: Main-belt Asteroid          SPK-ID: 2074368
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0658835487123333 7.035e-08  
a 2.991986154283758 2.4784e-08 au
q 2.794863488741377 2.1657e-07 au
i 12.07790856544954 7.4627e-06 deg
node 64.93207805828813 4.4781e-05 deg
peri 359.0605346322337 8.7402e-05 deg
M 49.01264879706238 7.573e-05 deg
tp 2458743.138565224895
(2019-Sep-16.63856523)
0.00039654 TDB
period 1890.330736921749
5.18
2.3487e-05
6.43e-08
d
yr
n .1904428642927486 2.3663e-09 deg/d
Q 3.189108819826139 2.6416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:50  

Additional Information
 Earth MOID = 1.80823 au 
 Jupiter MOID = 2.11688 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456591.5 (2013-Oct-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06256870564728927 6.918e-08  
q 2.803945038091467 2.1168e-07 au
tp 2456855.473426308296
(2014-Jul-16.97342631)
0.00041151 TDB
node 65.11011366309209 4.4812e-05 deg
peri 359.4589248508339 9.1006e-05 deg
i 12.07524812556528 7.4479e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:50  

Additional Information
 Jupiter MOID = 2.11688 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.78587850580303E-15 -1.455974830233008E-14 -1.811681294414046E-11 6.165502189896536E-14 -3.582444637784062E-12 -3.561505459537461E-16
q -1.455974830233008E-14 4.480680035397244E-14 5.6544467606778E-11 -1.997917863831274E-13 1.116232834839428E-11 3.351007613727676E-15
tp -1.811681294414046E-11 5.6544467606778E-11 1.6934197735373E-7 -4.097504446835446E-10 3.276676765102966E-8 1.254272745044091E-11
node 6.165502189896536E-14 -1.997917863831274E-13 -4.097504446835446E-10 2.008141705481688E-9 -2.041685798809848E-9 -2.080528969778279E-10
peri -3.582444637784062E-12 1.116232834839428E-11 3.276676765102966E-8 -2.041685798809848E-9 8.282106081902165E-9 2.058140205155079E-10
i -3.561505459537461E-16 3.351007613727676E-15 1.254272745044091E-11 -2.080528969778279E-10 2.058140205155079E-10 5.547114359090364E-11

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 14.9   n/a MPO381764  
diameter diameter 3.552 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74368 (1998 WG41)          Discovered 1998-Nov-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WG41 = 1998 WV41 = 2000 CH17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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