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(2018 PD20)
Classification: Apollo [NEO]          SPK-ID: 3826710
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3200998602407478 0.00011648  
a 1.069582377025156 8.3206e-05 au
q .7272092076234369 6.8023e-05 au
i 9.515775311048253 0.0035192 deg
node 317.6248006279608 0.00024111 deg
peri 260.5093028029711 0.0025842 deg
M 290.0528490539862 0.084608 deg
tp 2459079.003191630038
(2020-Aug-17.50319163)
0.10412 TDB
period 404.0357413359985
1.11
0.047147
0.0001291
d
yr
n .891010282430984 0.00010397 deg/d
Q 1.411955546426876 0.00010984 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      3 days  
   first obs. used      2018-08-11  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .53671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-10 05:36:24  

Additional Information
 Earth MOID = .000163385 au 
 Jupiter MOID = 3.58979 au 
 T_jup = 5.712 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458344.5 (2018-Aug-14.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3204882124685009 0.00011628  
q .7268746540707213 6.7804e-05 au
tp 2458270.962860510089
(2018-Jun-01.46286051)
0.0097967 TDB
node 317.6453468315627 0.0002402 deg
peri 260.4849924605963 0.0026032 deg
i 9.524998960084194 0.0035128 deg
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      3 days  
   first obs. used      2018-08-11  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .53671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-10 05:36:24  

Additional Information
 Jupiter MOID = 3.58979 au 
 T_jup = 5.712 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.352042240214294E-8 -7.883276512929303E-9 1.13895875179774E-6 6.574934666939396E-9 3.016102841733693E-7 4.084462742639859E-7
q -7.883276512929303E-9 4.597349588458253E-9 -6.641967905108352E-7 -4.025083366840548E-9 -1.756505400903809E-7 -2.381645116648436E-7
tp 1.13895875179774E-6 -6.641967905108352E-7 9.597486781245036E-5 5.919612117571153E-7 2.538202309764569E-5 3.44102825737617E-5
node 6.574934666939396E-9 -4.025083366840548E-9 5.919612117571153E-7 5.769521647399563E-8 1.022057605754092E-7 2.027231133448079E-7
peri 3.016102841733693E-7 -1.756505400903809E-7 2.538202309764569E-5 1.022057605754092E-7 6.776619426980273E-6 9.108182050655988E-6
i 4.084462742639859E-7 -2.381645116648436E-7 3.44102825737617E-5 2.027231133448079E-7 9.108182050655988E-6 1.233970000344151E-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 27.4   .2588 MPO452054 autocmod 2.6n

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