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(2020 XF)
Classification: Aten [NEO]          SPK-ID: 54097866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09697775171990269 1.7629e-05  
a .9138387205995221 1.157e-05 au
q .8252166960411882 2.6558e-05 au
i 4.407531913296716 0.00076377 deg
node 71.52754603740975 7.6108e-05 deg
peri 211.6463000460098 0.00012972 deg
M 157.3047404853863 0.0011475 deg
tp 2459061.074545036344
(2020-Jul-30.57454504)
0.0036642 TDB
period 319.0823342770087
0.87
0.0060599
1.659e-05
d
yr
n 1.128235446865789 2.1427e-05 deg/d
Q 1.002460745157856 1.2692e-05 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      31 days  
   first obs. used      2020-12-04  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:19:38  

Additional Information
 Earth MOID = .000691941 au 
 Jupiter MOID = 4.02873 au 
 T_jup = 6.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459193.5 (2020-Dec-10.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09813358239845399 1.7242e-05  
q .8234067509915641 2.5894e-05 au
tp 2459061.351018502544
(2020-Jul-30.85101850)
0.0035567 TDB
node 71.6101389464323 3.7428e-05 deg
peri 211.6007282671077 0.00015002 deg
i 4.449200393069033 0.00075158 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      31 days  
   first obs. used      2020-12-04  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:19:38  

Additional Information
 Jupiter MOID = 4.02873 au 
 T_jup = 6.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.972755867889506E-10 -4.464616653520443E-10 6.132009470684762E-8 6.143896758290141E-10 2.491364761672161E-9 1.295772879783533E-8
q -4.464616653520443E-10 6.705171523238505E-10 -9.209233302724477E-8 -9.228935313780986E-10 -3.740342412491224E-9 -1.94603415193444E-8
tp 6.132009470684762E-8 -9.209233302724477E-8 1.26500113158056E-5 1.268453975563154E-7 5.152478145604595E-7 2.672818116654979E-6
node 6.143896758290141E-10 -9.228935313780986E-10 1.268453975563154E-7 1.40083534022247E-9 5.099265096803031E-9 2.67147664772011E-8
peri 2.491364761672161E-9 -3.740342412491224E-9 5.152478145604595E-7 5.099265096803031E-9 2.250632429829371E-8 1.086683501985262E-7
i 1.295772879783533E-8 -1.94603415193444E-8 2.672818116654979E-6 2.67147664772011E-8 1.086683501985262E-7 5.648702316665482E-7

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 26.84   .44956 E2021D54 autocmod 2.8

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