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192572 (1998 WS40)
Classification: Main-belt Asteroid          SPK-ID: 2192572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077797037624057 5.5444e-08  
a 3.135106082661105 3.152e-08 au
q 2.797205277808175 1.6927e-07 au
i 17.79102411171148 6.0399e-06 deg
node 235.7886236551897 1.4535e-05 deg
peri .5429490417629412 2.5494e-05 deg
M 172.3662890848413 2.103e-05 deg
tp 2458229.707038838474
(2018-Apr-21.20703884)
0.00011569 TDB
period 2027.574346896378
5.55
3.0578e-05
8.372e-08
d
yr
n .1775520589669397 2.6777e-09 deg/d
Q 3.473006887514036 3.4918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:43  

Additional Information
 Earth MOID = 1.78428 au 
 Jupiter MOID = 1.54142 au 
 T_jup = 3.129 
[ 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 15.18   n/a MPCxxxxx  
diameter diameter 6.246 km 1.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192572 (1998 WS40)          Discovered 1998-Nov-23 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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