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(2020 WP)
Classification: Apollo [NEO]          SPK-ID: 54088815
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5541062134171317 0.00056553  
a 1.997078292348779 0.0023823 au
q .8904848018778454 6.7171e-05 au
i 2.49171492330345 0.001778 deg
node 98.00114892512637 0.0062897 deg
peri 19.04959850035911 0.004236 deg
M 283.345796830238 0.13956 deg
tp 2459219.994951719268
(2021-Jan-05.49495172)		 0.0068693 TDB
period 1030.839528054832
2.82		 1.8445
0.00505		 d
yr
n .3492299142615446 0.00062489 deg/d
Q 3.103671782819712 0.0037023 au
   Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      20 days  
   first obs. used      2020-11-16  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-07 05:26:52  

Additional Information
 Earth MOID = .0171326 au 
 Jupiter MOID = 2.02067 au 
 T_jup = 3.636 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459174.5 (2020-Nov-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .554241481829148 0.00056539  
q .8903123886250939 6.6889e-05 au
tp 2459219.985346171898
(2021-Jan-05.48534617)		 0.0068737 TDB
node 97.98629685862292 0.006327 deg
peri 19.07312796224408 0.0043004 deg
i 2.492225880965754 0.001777 deg
   Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      20 days  
   first obs. used      2020-11-16  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-07 05:26:52  

Additional Information
 Jupiter MOID = 2.02067 au 
 T_jup = 3.636 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.196685812889519E-7 -3.781835991992387E-8 -3.886276804025152E-6 3.574811225572085E-6 -2.426554879792792E-6 1.004662571726051E-6
q -3.781835991992387E-8 4.474159185361103E-9 4.597567841652274E-7 -4.228819481855767E-7 2.870238630596619E-7 -1.188589189052609E-7
tp -3.886276804025152E-6 4.597567841652274E-7 4.72475971519736E-5 -4.346540785455683E-5 2.950784937755799E-5 -1.221349947154612E-5
node 3.574811225572085E-6 -4.228819481855767E-7 -4.346540785455683E-5 4.003052499026262E-5 -2.719814872185321E-5 1.123157404624183E-5
peri -2.426554879792792E-6 2.870238630596619E-7 2.950784937755799E-5 -2.719814872185321E-5 1.849345955762499E-5 -7.62222848606698E-6
i 1.004662571726051E-6 -1.188589189052609E-7 -1.221349947154612E-5 1.123157404624183E-5 -7.62222848606698E-6 3.15770657523259E-6

[ 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 24.206   .47335 11 autocmod 2.8

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