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(2020 WS1)
Classification: Apollo [NEO]          SPK-ID: 54091636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5347830714963584 0.00024468  
a 2.07126255393155 0.0010813 au
q .9635864034646442 3.8346e-06 au
i 18.32457638511865 0.0052507 deg
node 58.45070257991265 3.1987e-05 deg
peri 24.9376788168092 0.0012914 deg
M 296.1065007856879 0.050896 deg
tp 2459193.743693730822
(2020-Dec-10.24369373)
0.0026187 TDB
period 1088.807634556861
2.98
0.8526
0.002334
d
yr
n .3306369174629438 0.00025891 deg/d
Q 3.178938704398456 0.0016595 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      2 days  
   first obs. used      2020-11-19  
   last obs. used      2020-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-22 05:20:02  

Additional Information
 Earth MOID = .00775694 au 
 Jupiter MOID = 2.1798 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459173.5 (2020-Nov-20.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5356265382786475 0.00024425  
q .9632562752410498 3.6944e-06 au
tp 2459193.771855386721
(2020-Dec-10.27185539)
0.0026566 TDB
node 58.43872302193196 3.9727e-05 deg
peri 25.00642206544191 0.0013509 deg
i 18.3451174974999 0.005234 deg
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      2 days  
   first obs. used      2020-11-19  
   last obs. used      2020-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-22 05:20:02  

Additional Information
 Jupiter MOID = 2.1798 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.965898392132922E-8 -8.868886581045765E-10 -6.469944270848296E-7 9.66459888843501E-9 -3.234882211085645E-7 1.278395889925119E-6
q -8.868886581045765E-10 1.364839020170159E-11 9.480857509731396E-9 -1.454217928485116E-10 4.627761589360525E-9 -1.901073644350348E-8
tp -6.469944270848296E-7 9.480857509731396E-9 7.057298575069335E-6 -1.042828953679974E-7 3.561900449158703E-6 -1.38621513099536E-5
node 9.66459888843501E-9 -1.454217928485116E-10 -1.042828953679974E-7 1.578249373991788E-9 -5.171464421523342E-8 2.071048557477234E-7
peri -3.234882211085645E-7 4.627761589360525E-9 3.561900449158703E-6 -5.171464421523342E-8 1.824896140967453E-6 -6.929323308235195E-6
i 1.278395889925119E-6 -1.901073644350348E-8 -1.38621513099536E-5 2.071048557477234E-7 -6.929323308235195E-6 2.739502922001663E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.147   .67671 3 autocmod 2.8

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