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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 ]

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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 
[ 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 14.9   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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